Yep when everybody got smartphones it let all the dumb people on the internet who couldn't use computers.
Then the portrait video orientation became the dumbass default video mode, even when the majority of videos would look 9000% better in proper landscape orientation. It all comes back to narcissism - people filming their own face and body in portrait mode because they think people need to see their face talking about every asinine opinion they think needs to be shared for attention-getting purposes.
Tiktok is the perfect example of everything wrong with it all now.