Can they though? Especially if there are several developers working on it. Or are you saying that once they start using frameworks they are no longer ‘good’ developers?
This would actually be a benefit for younger developers that could bypass it except that once the problem gets bad enough it seeps through to training materials across the web and self-taught people cop it as collateral. If you try and google up some advice for how to get started with a web app these days you're going to get all sorts of opinions on what sort of "stack" you should start with to the point that people make it a part of their ideology, like you get some sort of fucking street cred for using ts-pattern or whatever this week's designated architectural microfad is.