Facebook launched Lasso as its own app two years ago. I’m not sure if there were any differences between it and TikTok, but either way, it failed miserably.
https://techcrunch.com/2020/07/01/lasso-facebook-tiktok-shut...
https://techcrunch.com/2020/07/01/lasso-facebook-tiktok-shut...
Also, FB took a more advanced friend list concept from Google+ but few use or know how it works. (Like how “Acquintances” are your friends but they are pushed down by the algorithm)
It is apparent that it’s hard to just shoehorn different usage patterns due to different social cultures evolving on the respective networks. Let’s see how they do this time...