That said, I actually agree with you that the "hurr durr CCP torture cell" comments are overblown. It's entirely plausible that he's keeping a low profile for a while, if likely in response to some rather heavy-handed advice.
So yes we are in agreement that the OP's comment is adds no substance to the conversation and is pure "hurr durr CCP torture cell" that just furthers the stereotypes of China.
This is a picture from today.
https://x0.ifengimg.com/ucms/2021_04/C5A7B512BF72106A6497177...
Same event from 2019.
https://static01.nyt.com/images/2019/09/10/world/10alibaba/m...
He upgraded from sweatpants to khakis. I think people are over reading the situation. All the usual factors that gets someone disappeared is not present with Ma's current faux pas.
Just to clarify, I'm not really in a position to analyze the meaning behind his current attire and choice of background relative to his past, so I'll take your word on your analysis of that.
Everyone is not how they normally appear because of the pandemic, and Ma addresses the reason why he's just video taping himself in a room because of this. Stop armchair speculating.