Difference: companies are not pushing their employees to use stack overflow. Stack overflow doesn't waste massive amounts of water and energy. Stack overflow does not easily abuse millions of copyrights in a second by scraping without permission.
Individual results may vary, but it seems credible that thoroughly learning and using an editor like Vim or Emacs could yield a 2x productivity boost. For the most part, this has never really been pushed. If a programmer wanted to use Nano (or Notepad!), some may have found that odd, but nobody really cared. Use whatever editor you like. Even if it means leaving a 2x productivity boost on the table!
Why is it being pushed so hard that AI coding tools in particular must be used?