I have a fair amount of hours in the game. I liked it when i played. I haven't review it though. I don't often review video games, but if I signed on today, and tomorrow and played some next week and decided I don't like how it is now, and left a review, it would be negative. It would be idiotic to assume I am just making shit up because I used to like and I don't.
3k seems a lot to me. I am not sure if even all my games played equal that actually, but to say you can't take someone review seriously ONLY because of hours, is silly. Now if the review isn't well written and doesn't explain the negative, well that's just a bad review... still has nothing to do with the hours played.