Probably you might be aware of this https://petitions.whitehouse.gov/petition/we-people-support-... Over 100k Chinese American petitioned to ban Wechat and TikTok in the US.
Over 600k American petitioned banning Bill Gates' Foundation obviously.
And for WeChat becoming so ubiquitous, it's a case of network effect. China isn't the outlier, the West is. Try living in South America without Whatsapp.
They censor nipples, kamallaharris.info website, and certain right wing groups.
I think the fact that you are this one-sided in the “censorship” department shows how propagandized you’ve become. Propaganda is everywhere, done by all factions. It’s not just something the communist party does. Every party does it.