And it has all kinds of implications and context and shit.
How the fuck am I supposed to tell what's just people doing things at random and what's a part of all-singing-all-dancing-shit-show the neurotypicals call "social norms"? Down with NTs.
Honestly while it's really fucking annoying that refusal to participate could result in some silly neuronormo interpreting a completely innocuous action as an offense, and it can cut you off from social shit, I think it's basically the only way. The same button never does the same thing twice. Screeching rn.
The person leaving is number one priority for social interaction because people won't get a further chance for a while ( a subjective time frame for sure).