This. He bought shirts - and gift certificates, etc. - with his money because they didn't have any other way to thank people.
He also wrote thank you notes.
Very old school. My grandmother would be proud.
T-shirt-gaters need to lighten the heck up.
This is one of those situations where, since you're responding to a question, the "This." format of answer makes your comment unclear. Just FYI - it sounds like you're listing the things he should be apologizing for (although that's not the case given context, obviously).
None, hence
> it helps that you were "in the right" to begin with
Thank you. I don't see anything wrong with what he did.