Well, there are 1.45 Bn + people in China. 21,Mn is a tiny number compared with that, especially when you consider that many of those a/cs would have been business accounts belonging to shut down operations. Places like China pretty much run on wireless phones, the old 'twisted pair'technology never got very deep into the countryside.
But then on the other hand..... here is what happens to people who publish reality in China that goes against the agenda......
https://nypost.com/2020/04/01/…or-mysteriously-vanishes/
China is to be believed and one to emulate as is sometimes posted here?