Originally Posted by
bruce19
I am really unclear about how you are at fault for the actions of the perpetrator. But, it is clear the LBS owner has some hard feelings and doesn't want to discuss it. Time to just say "I did my best to make amends" and move on. It's not on you anymore. Of course, you can denigrate yourself forever if that's what you want to do. For me it would be done.
I agree with this. You didn't do anything wrong, so don't beat yourself up. It sounds like your acquaintance was made whole by the vandal, so what more is there?