+Current Events since a lot of JP Twitter accounts are indeed being banned (凍結=frozen) right now, to the point that even the mainstream media is reporting on it.
Well, it's not like it would have lasted forever anyway. Think of all the universal apps that went away in the past...
Every privately owned for profit social media platform will face this issue. Reality is that you have to give the platform operators freedom to prune their garden however they see fit otherwise nobody would step up to run them anymore.