You can find links to other criticisms of twitter in TFA:
Interop: https://www.eff.org/deeplinks/2021/01/twitter-and-interopera...
Privacy: https://www.eff.org/deeplinks/2020/04/twitter-removes-privac...
https://www.eff.org/deeplinks/2017/08/twitter-and-others-dou...
https://www.eff.org/deeplinks/2019/10/twitter-uninentionally...
Accountability: https://www.eff.org/deeplinks/2015/08/twitter-axes-accountab...
DM encryption: https://www.eff.org/deeplinks/2020/07/after-weeks-hack-it-pa...
They would not be able to enforce it on desktop computers, short of banning every user one-at-a-time, but they can easily blanket-ban it on mobile phones by requesting Apple and Google remove unauthorized third-party clients from their app stores. (Which they will do. Apple even lists unauthorized clients for services controlled by other parties as against the rules. Whatever that means.)