If there is one thing that EA should be commended for other than mass-production-of-similar-titles-yet-make-profit strategy, it's their ability to hype a product. No doubts they do deliver some really great games and are rightfully the top publishers in the world, but at times they fail to keep their promises.
I will jump right to the point, I am not saying that Carbon is a bad game, but I guess what kills it is the hype. The game is an experience and as all games' opinions are, it's subjective. You may like it, you may love it, or you would rather utilize your time learning how to use chop-sticks.
Don't just listen to your friends, who say Carbon is a bad game; try it yourself. As for my take on the same, read on.