"TikTok doesn't live up to the best of TV" is true, but that's not the argument I'm making.

OP asked for "newer", and yet you've not named anything created in the last 10 years. ( And named a 30+ year old improv show, which is definitely not the format I'm talking about. )

You're not alone, one second-cousin comment even went with the phrase "more modern", then named a range of shows that are at least over 20 years old. Green Wing was the 90's, that's closer to the time of Python's Life of Brian than today.

Clearly things aren't fine if there isn't fresh blood coming through.

Sketch shows never were the best of TV, they are a format where you throw a lot out there and then the very best bits of each episode might be particularly funny, with a bunch of filler in-between.

That can't compete with a medium where people just swipe the second they're not finding a particular piece funny or to their taste.

I agree the shows I named have aged, but I think my point stands. There really isn't anything _like_ those shows on TikTok that I am aware of, and maybe you've made a bigger point that there isn't anything like these shows at all anymore. (To be fair I don't watch much traditional TV anymore -- maybe that was your point all along and I just missed it)