Well there’s also the thought “well I was already on Facebook from the beginning so they already have my data anyways, whereas TikTok is a completely new entity that would be collecting massive amounts of new information” It’s like going from 90 to 100(Facebook) versus 0 to 100 (TikTok).
Also Facebook didn’t start off being advertiser focused which is like a frog in slowly boiling water situation, but with TikTok the water started off boiling.