You had no personal grievance against him, you would rather he didn't play for Liverpool. Ox was annoying but had more than handful of clutch performances.
I was "hating" on CJ last season, god know how many posts I made wishing him to be sold on. This season he has told me and other detractors to STFU.
Look at the "Donkey" thread. Calling a player is "Donkey" is effectively hating on a player, but he is proving people wrong. Not only that, as a person, he is very likeable and funny
There's a pretty significant difference between "hating" and "hating on".