I think there is a limited number of things one can do in The Sims videos, which is why people are coming up with gimmick stuff and more and more build challenges. Normal gameplay videos aren't very popular most of the time for some reason, I guess because it's not that easy to get invested into somebody else's Sims, unless the youtuber is really extremely funny, creative and charismatic.
What I would LOVE to see is a regular Sims 1 gameplay video. So much of Sims 1 content on youtube is "lol I don't know what I'm doing, I'll just go into different locations until my Sim's needs are at an alarming level, then I'll go home and eventually I'll probably just have the family die in the fire". It's just so infuriating to see a Makin Magic or Superstar video, click on it all happy about it, and then the youtuber doesn't even try to read what's on screen and has no idea what they're doing, and they end up not even starting the show-business career, not preparing any spells, not knowing how to duel... Come, on, why.
I know a Sims 1 gameplay video wouldn't be super exciting for most people, so I understand why people don't make them, but why make one and then make it bad and boring?