Yes, TV has gotten worse. When I was a kid, a 90 minute movie had one ad in the middle, if it was longer, there were usually two. Recently I saw TV after god knows how many years and there was an ad every 10 minutes.
And yes, the really short content sucks because it damages the attention span. But it's a trend, it's not like it started with this generation, our attention is attacked constantly and has been for a while.
I wouldn't hate on brain rot that much, sure, it's stupid, but hey - you had your own stupid thing when you were young, as did every other generation.
Steam generally shows you what they think will interest you, I don't see any gooner porn there, that one might be on you.
Yes, you're getting old, yelling at clouds. Not a bad thing as long you don't make others feel bad because of it.