Just in case you were wondering how bloody stupid and ugly it looks if you one of the unlucky few that YouTube subjects to an experiment that it didn't seek anybody's permission for.
Yeah, @TeamYouTube, I think it's a lot worse. Could you stop now? https://twitter.com/Rhetamm/status/1012439801860182017 …
Didn't it always pull a random screenshot from the video if you didn't put a thumbnail? Which is all well and good, but when you put the time into making a decent thumbnail its a bit annoying