I just wrote this on another forum and thought it'd be interesting to get everyone's thoughts here.
I can't stand the Forza and GT games. It's nothing but a grind of meaningless 3-lap races where you start from 8th place and are forced to smash your way to the front, since there's no time for racecraft in a race that short.
Plus they make you start out in shitty cars, and by the time you unlock/earn enough credits to buy the cars you bought the game for, you're fucking sick of it. The gameplay becomes as much fun as filling out a spreadsheet.