Genuine question, why is that bad? I had contact with emacs in university, decided I do not like it and moved on to more modern tools. And today so many moved

Genuine question, why is that bad? I had contact with emacs in university, decided I do not like it and moved on to more modern tools. And today so many moved on that they do not even mention it in some schools and academies. Or is knowing Emacs a condition to qualify as a hacker? Well, that wouldn't be my definition.