What consequences should Gary face?
I think more of him though. Sort of like when a polite old woman tells someone to fuck off and they're literally shook. A lot of people could do with hardening up a bit.
“The first person to tell their opponent ‘you shouldn’t be so sensitive’ forfeits the debate.”
There are of course exceptions. But obnoxious people think that every time they say something offensive or awful, the onus is on others to make allowances.
I believe my rule prevents more bad arguments.