Comparing a text editor to a web browser is a nonsense
Web browser became mini-OS onto which whole applications are run. And they have to cope with new needs - some sensible, others truly marketing driven.
Text files didn't change much in the last twenty years. Sure, you may have to cope with Unicode now, but not much else.
It would make more sense to compare Vim to IDEs, because a lot of users use it for programming tasks.
But I started to use an IDE thirty years ago and never looked back...