They all suck. But the user experience is practically irrelevant to the business of selling ads and operating sentiment manipulation channels, which is the business that all of the large social media companies are in.

And whether their ideas and strategies are well-grounded or seem optimal or ethical to the rest of us, the top leadership at most of those companies lean strongly towards corporatist, libertarian political ideals and see most regulation (and preemptive self-regulation) as both philosophically immoral and an existential threat to their businesses.