I'm pretty sure it's a reference to the Tesla "robot" showed off at an event that turned out to just be a guy in a suit on top of the other things already mentioned by others.
This is a webcomic / art relating to the FOSS world. OP is the artist and has tons of fucking amazing surreal comics like this. They all take place in a dystopian cyber world where corporate technology oppresses the free tech users
The commenters probably aren't bots, just tech nerds schizo posting
The Thespian robot (and others) could mirror a human's movement 10 years ago. Even if Optimus is actually mechanical, the recent "interacting with a crowd" video makes it quite obvious there is no AI.