they also threatened the site owner of comick a couple of months ago. kakao had his info, and he was forced to stop and remove all the chapters from the site, which led users to review-bomb all of kakao apps. now comick has been turned into a manga tracking site

(edit: i had to delete the second image i posted because it contained a message that the mod deleted after a few minutes passed, apparently because it could be legally used against them.)
I think it was about two years ago when a manga reading app had to stop updating, due once again to kakao's threats and a dmca notice.
Messages
Kakao should stfu and talk about actual Women dying in the company due to workplace harrasment and Mental stress during pregnancy btw not to forget sexist work culture. Blood sucking cockroach