I'm not sure what you're going on about in the first half. Something about cameras? True speed dials? My Spotmatic II has a speed dial and it's twice as old as I am.
I stopped caring about Youtube layouts a long time ago. You either have to redesign your channel every year or... there is no "or." They change a lot of the functionality too. Some time ago, the algorithms for related videos changed. It now takes videos related to videos you've watched before and suggest them alongside completely unrelated videos, even if you only watched a single video of that type. I might watch a single Lego Racers video one day. For the next week I'll be seeing Lego Racers in the related videos for National Geographic videos. That's stupid. Plastic men and cars aren't related to wildlife.