Its true that the feminist in korea are weird and the 4b agenda is crazy, but i also saw a LOT of comments and videos on youtube/social media where woman in korea said that It’s mostly—and probably exclusively—a Seoul thing. If you go outside the big city, women there aren't even aware of this movement. Also we have to mention that the men in japan and korea are kinda weirdos when it comes to social skills.
It’s just like Tokyo: in the city itself, you see so many tourists and the locals there are annoyed by them(seen so many interviews where the old ones spoke bad about tourists). Outside the city, you see locals, and they’re actually happy to see tourists; it’s even better if you speak their language, because then they can chat with you for hours.