The news that Gen Z users have abandoned Tiktok in such numbers that the median Tiktoker is a Millennial (or someone even older) prompted commentators to dunk on Tiktok as uncool by dint of having lost its youthful sheen:
If you'd like an essay-formatted version of this thread to read or share, here's a link to it on pluralistic.net, my surveillance-free, ad-free, tracker-free blog: