Conversation so far:
What is significant about Barry Bonds's public persona?
Bonds was frequently described as a difficult person, surly, standoffish and ungrateful.
Did he get in fights?
CANNOTANSWER.
Are there any other interesting aspects about this article?
Giants he changed his demeanor at the behest of a group of teammates.

Question: What did he change to?
Self-contained rewrite: What did Barry Bonds' public persona change to?