Twitter I used for several years and may go back now that someone with common sense is at the helm but only ever heard of WeChat and what I heard was mostly negative.
> only ever heard of WeChat and what I heard was mostly negative
WeChat is pretty lit and contains a whole internet, sort of akin to how Facebook Pages might contain the only information or updates about many businesses and municipalities.
Yes, a state agency will censor some things, just like a corporation will censor some things. Yes, they collect your data and share it with third parties including the government, just like a series of corporation do on every other network. You're not Chinese, you're not going to disappear, its rare they experience anything more than a message disappearing too, its the same user experience. I don't find the reality to be different enough to warrant the perception of reality.