scottie on 21 April 2009
You've actually answered the question in the OP. It was 'hated' so much because of how hilarious the review scores were. If it had got a metacritic of around 92 or so, no-one would have cared. But when reviewers start claiming it to be so good, people take steps to correct them.
I think said people were validated when GTAIV for the PC received comments of 'exactly the same as the console versions' alongside scores of about 92
