I didn't know there was much hate for this game? Personally felt it was received pretty well but has somewhat become forgotten.

I'd get it on PC if you can (patches will eventually fix its issues, there aren't too many of them either in my opinion). I would get it on PC if you can due to the superior graphics, but PS4 version should be fine also.

Just completed Far Cry 3 (I know, I am a bit behind) and am just spending my time doing some side missions.

Think it is a pretty good payment to those who have put up with the game thus far however to really improve their situation and reputation they need to launch a couple of really good games and sort their act out.