Can you blame him? The fandom can be exasperating at times.
It's the personal attack aspect. I don't particularly like JJ Abrams' work but I have no issues with him as a human being or person. I have an issue with the work of art he contributed towards and I have no problems or issues with anyone who expresses any opinion about a fictional work. I do have a problem with people attacking others, whether it be anti-Trek '09 people bashing Abrams personally or pro-Trek '09 people saying it's needed for other people to have their feelings hurt.