Yes, LL, I agree. There are almost always TWO very compelling sides to any story.

Perhaps the cashier witnessed the driver/ vet almost strike a pedestrian, or do something equally as dangerous. And, true, this vet man could potentially be an individual the cashier had trouble with in the past.

There are better ways of handling things than going full offensive on somebody in front of customers; I agree with that. But perhaps this person had just had a run-in with another bad driver on his way to work, who knows? So many things can set people off.

I'm sorry he was rude to you and your Mom. I think an awful lot of people are feeling extremely stressed, these days.