Maybe that was true in the past but there's a lot of high value production nowadays on it, including short series.

TikTok is eating the lunch of YouTube, Instagram and Facebook & expanding content by attracting higher quality creators. They're even expanding into shopping. At one point, YouTube only had random videos or pirated shows.

Tim Tok has been struggling with a massive problem where many creators that actually start to get big on the platform end up migrating to YouTube anyway because their pay sucks compared to YouTube, the same goes for instagram and every other platform in the industry. Youtube has a lot of problems but nobody pays better than them https://youtu.be/jAZapFzpP64?si=KrLqetuhzmer2T8H

Nope, content creators are moving en masse due to more fair payout model

Source? All I've heard about TikTok is that it barely pays out at all so content creators mostly sees it as a way to get eyeballs on things that do generate money, like their youtube channels.