"What they don't do, is slam them on the bar counter while calling a paying customer a slur with horrific violent sexual overtones."
You do know the bar is run by a transwoman?
Let's think of it differently. If the group went to a bar run by Muslims and left leaflets in the toilet saying things like "Christianity is the best religion, Islam is terrorism", don't you think that would piss off the bar staff enough to return them to the customers?
"Oh, and when you say Horse Bar, do you mean Salt Horse, The White Horse or the Laughing Horse?"
The one Ms Miller and chums went to. I don't know I'm not from Scotland.
"What they don't do, is slam them on the bar counter while calling a paying customer a slur with horrific violent sexual overtones."
TERF? I've heard it used by transpeople and their allies in response to abuse, but I haven't heard it being used with "violent sexual overtones".
"I’d be massively put off by the stuff on social media from the bartender"
Yes the bartender/manager certainly doesn't mince her words or hold back. This is a Scottish thing I believe?