Well I for one enjoy all manner of driving disciplines and tracks, so I would not like to see this at all 👎
I have never enjoyed a NASCAR race in my life and never felt the need to play a game with it in. But I'm still looking forward to trying one in GT, just because its different and its something I've never tried before in a decent physics engine. I love rally, open wheel, ovals, rally stages, hilly tracks, long tracks, short tracks, street circuits...there is very little I truly hate in motorsport or with cars in general.
So for me, the more in one game, the better. Its also one of the unique selling points of Gran Turismo - where else can you test various vehicles of such varying degrees against each other? Its not like if PD made seperate games, that there would be 1000 stock cars instead, there would just be less variety in each game.
Since when has variety been a bad thing?
So, no, don't take away my Suzuki Swift and don't take away my Ferrari F2007 either. I enjoy both.