I’m not telling him what to think. I’m telling him he’s being a little coward, throwing the rock then hiding the hand.
So it’s up to him. Either he didn’t mean to be a horrible bigot, then he can apologize for it and we’re cool. Or he did, and then he has to own it.
I’m not telling him what to think. He’s free to be a bigot. God knows it’s a pretty widespread affliction. But he can’t deliberately engage in that kind of behavior and get away with equivocating hoping no one notices.
attitude is worrying
No, what is worrying is accepting that behavior in a public place. This is not, and will not be, the Nazi bar.