Most technical leaders will tell you documentation matters. Then you look at their docs portal—last updated eight months ago, buried three clicks deep, impossible to search, and formatted as a 47-page PDF that crashes on mobile—and you realise what they actually mean is that documentation matters in theory, the same way exercise matters in theory and inbox zero matters in theory. It’s easy to agree with something you’ve successfully avoided doing.
The rationalization usually sounds something like: the product is evolving too fast to document properly; the engineers who built it are right there; customers can just raise a ticket.
These are reasonable-sounding excuses that don’t hold up to any serious examination, because what they’re really describing is an organization that has simply decided its users’ time is worth less than its own.
Bad documentation isn’t just an engineering problem. It’s also a business problem.
The cost of poor technical documentation
Poor documentation shows up in many ways. Support queries increase — and not by a small margin. When users can’t find the answer themselves, they create a ticket, which means an engineer or customer service rep has to context-switch, locate the answer, write it out, and move on, only to answer the same question from the next user who also couldn’t find it.
This moves from a customer success problem to a compounding tax on your engineering time. Multiply that across a year and you’re looking at a meaningful chunk of salaries going toward questions that a well-written page could’ve answered in thirty seconds.
Sales cycles stretch when technical evaluators can’t self-assess your product. Enterprise buyers, in particular, send in software engineers and solutions architects whose job is to read your documentation and determine whether your product fits their stack.
If they can’t do that independently, they either ask more questions—adding weeks to your cycle—or they move on to a competitor whose docs gave them what they needed. You won’t always know which one happened.
Where poor documentation hits hardest
| Support load | Tickets for answerable questions |
| Sales velocity | Extended eval cycles |
| Developer trust | Weak devrel traction |
| Churn signal | Confusion at onboarding |
Developer-facing products suffer a particular form of this problem. If your marketing targets engineers and your documentation is thin, vague, or out of date, you’re not just failing to convert—you’re actively damaging your credibility.
Developers talk, share resources, and write public teardowns on their blogs. Treating docs as a cosmetic afterthought is a brand risk that most companies don’t account for until it’s already cost them something they can’t easily recover.
Churn, too, has a documentation fingerprint. Users who get stuck during onboarding and can’t find help don’t always raise their hand. They instead disengage, downgrade, or leave, and when you survey them they’ll say something vague about the product not being the right fit.
The actual problem was they ran into a wall at step three of the setup guide and there was nothing in your knowledge base that helped them over it. Product analytics won’t show you that unless you’re tracking documentation engagement specifically, which most companies aren’t.
If you’re expanding into new markets, the problem compounds further. Documentation that’s only available in English isn’t documentation for a French-speaking enterprise buyer or a Portuguese-speaking developer in Brazil.
Localization adds cost and overhead: you now have to maintain parallel versions of every page, and while AI has made translation faster and cheaper, it hasn’t eliminated the need for human editorial oversight on technical content.
The organizations that treat multilingual docs as optional are the same ones that treat international expansion as a nice-to-have, and those two things aren’t unrelated.
You already spend hundreds of thousands on product development each year. Sometimes millions. Don’t let the last mile be a PDF from 2022.
What good technical documentation looks like
The fixes aren’t complicated, though they do require treating documentation as a first-class product concern rather than a cleanup task that gets assigned to whoever has capacity.
That means a dedicated technical writer embedded with product and engineering—not a contractor brought in once a year to tidy things up, but someone who’s in the sprint, who knows what shipped last week, and whose job it is to make sure the docs reflect reality and quality before the release goes out.
It means docs that live in a modern digital format, indexed properly, searchable, and not behind a login wall that half your users have forgotten the password to.
It means implementing docs as code: version-controlled, reviewed, updated with every release, linked from everywhere—blog posts, changelogs, onboarding emails, social content—so the entire surface area of your public-facing communications is pointing users toward authoritative answers rather than toward a support inbox.
It means looking at your page analytics and understanding which tutorials your users are actually reading, which ones they’re abandoning halfway through, and which ones they’re searching for but not finding.
That data is telling you something about where your product is confusing people, and it’s information you’d otherwise only get from a support queue or a churn conversation.
Good documentation is good business
The best technical products understand this not as an aspiration but as an operational baseline. When documentation is good—genuinely good, maintained, discoverable, accurate—it functions as a force multiplier across sales, support, product, and marketing simultaneously.
When it’s bad, it’s a slow leak across all of those same functions that nobody is measuring because nobody owns it.
The companies that treat docs as table stakes tend to be the ones that win in competitive markets. But a technical leader must first decide the user’s time is worth protecting, and act accordingly.
Column builds technical documentation for engineering-led companies — from API references and developer guides to product specs and onboarding flows.
If your docs need work, get in touch.
Mo is the founder of Column, a technical research and content agency. Connect with him on LinkedIn.
