How is this personal? I have no idea who the person is... I'm commenting on something they wrote, not on something they are.
If a person in a home-cooking forum advises someone to use a butter knife to slice tomatoes, it's highly appropriate to tell them they are incompetent and shouldn't be advising anyone. This post is exactly the same: an absurd advise that can only be explained by either an honest mistake or incompetence.
it's highly appropriate to tell them they are incompetent
It's not on HN because it's a personal swipe and the HN guidelines ask you not to do those. It might work on your cooking forum but we know, empirically, that it doesn't work well here.
They didn’t say they were doing something goofy like that. They said they were running into problems at work. It could well be that they have a million-LOC repo that’s enormously complex with decades of legacy setup to consider. Presume that they’re competent at their job, and maybe what they’re trying to do isn’t trivially easy.
If you wouldn't mind reviewing https://news.ycombinator.com/newsguidelines.html and taking the intended spirit of the site more to heart, we'd be grateful.
p.s. Fortunately most of your HN posts appear to be pretty good so this should be easy to fix!