The title of this topic makes this seem more sinister than it actually is.

GT5 had uber expensive cars that you had to grind to reach as well....hell, I might be mistaken but I can remember grinding for expensive cars in EVERY GT game.

The only difference between this and what GT6 is doing is that GT6 gives you the option to pay your way to the uber expensive cars without the grinding.

Now if there were cars that were in the game but strictly behind a paywall, then it would be a much bigger issue.