>>106500820
Yeah, it turns out this was just a sitewide change, not something they only pushed on 4k viewers.

You see nothing wrong with it because you're a phone nigger, and so you cannot comprehend the amount of wasted space from all the pointlessly huge icons. Here's twitch, a different video site that somehow manages to fit 3 icons next to each other in the same space Youtube manages to put 2, because of how huge they are.