The BRZ is a good car. I think it's overpriced but it's a good choice if you want a light, fun, efficient RWD car.
S2000 is a better platform for sure, but not everyone wants to live with a roadster, and not everyone would be willing to put up with the noise. If you guys think road noise is loud on a 370Z... the S2000 is 10x louder!
Yes, we know the BRZ doesn't have much power. But that's not what the car is all about.
Also, LS fits.