Hardcore facebookers don't care even if zuck fed babies to pet lion every morning. TikTokers are even worse. Clout is what they are and that's all they care about. Switching to an another system is a no go and if you bring it up they get really pissy.
Maybe it's possible that there are many people who are not on the fediverse today for reasons similar to why you weren't two years ago. Not that much has changed since then (other than, possibly, your own understanding).