But you need to control the platform to siphon user data , have a foothold into everyone's phone and to peddle misinformation and entertainment instead of education (Chinese version operates differently than the non-Chinese one).

There is no greater vehicle to deliver a hooking mechanism to target specific users for spyware upload than an app that is installed on a lot of platforms. Weechat is one other such tool btw. and that thing behaves strangely compared to e.g. Whatsapp if you install it.