@Seikai, sounds like you've found a solution there, indeed I think unlike you or me or most people there might be a perfectly good reason people don't associate with this fellow, (especially if he is a borrower of money).
the bad opinions of others, any others can hurt, there's no denying that, especially if like myself you have a tangible sense of worthlessness that automatically assumes! everyone thinks badly of you to begin with and just gets fed on any real or imagined evidence.
what I have found myself though, is that once I realized that my own! opinion of myself was not reliable due to my abuse, and started to regard my own opinion that I was worthless, uggly, useless at anything I did etc as totally unreasonable it let me more easily distance myself from the opinions of others.
it is true that most I would still not wish most people to think badly of me, but there are certainly people who's opinion I don't care about. For example, the chap I mentioned (a member of my tabletop role playing group), regards anyone who coppies cds as an immoral thief and a criminal, and gave me a rather unpleasant lecture on the subject when i offered to do a cd swap with him.
Well, i know his opinions to have little grounding and to be based mostly on the fact that he thinks everyone else is against him, indeed even if you disagree on as simple a matter of music or author preferences he tends to become very defensive, which for me who enjoys debating and discussing such things finer points in detail rather difficult. Since he cannot explain his justifications for his opinions, much less tolerate anyone else who thinks differently, well why should I care what he thinks? after all it's not as if he's made his judgements based on considderable thought and arguement with others and their points of view, indeed his opinions are very unsubtle.
So, just as I have learnt to disregard my own opinion of myself, i'd disregard this chap's, or indeed others who had similar less than valuable opinions or attitudes.
Frankly if this fellow's answer to actual historical evidence and record is to disbelieve it I rather question even his basic judgement! and that goes double for making judgement of others.