I don't so much hate HHH now as I am apathetic towards him... and any mild dislike I have for him isn't even for the typical smark reasoning of "glass ceiling", etc. Lately, as I've watched RAW with more regularity (albeit out of complete boredom and the need to have the TV on in the b/g while being on the comp or doing homework) I see where my problem stands, namely, his character is bland at best and horrible at worst.
With Hogan, you had either the ra-ra patriot face or the heel who wanted to destroy/assimilate WCW.
With Flair, you had the flambouyant playboy.
With HHH, you have a big musclehead with no real character who routinely spends 20 minute segments talking about how great he is.
"I'm so great! I'm among the greatest of all time! I can't believe how legendary I am! Don't even bother challenging me because I'm greater than you! I am great!"
This "character" that is unremarkable by itself is rendered even more unimpressive when it's practically shared by most of the men's roster. Also, to quote DrTom, if you have to talk about how great you are, you're not really that great.