Agreed. However, I think a lot of the PM hating arises due to PMs who think that just because work flows through them to the customer, it's ok for them to take

Agreed. However, I think a lot of the PM hating arises due to PMs who think that just because work flows through them to the customer, it's ok for them to take credit for it. I've dealt with inefficient PMs, and I can live with such people, but PMs who use their job as an expression of their inner narcissism are a different story. I think the latter motivates people to take up torches and pitchforks more than the former.