Well i will also buy GT Sport, maybe i will buy Project Cars 2 when its on sale for like 20 Euro, but since i finally get my Racing Game focused on Online i will most likely be playing GT Sports for a long time and i wont need anything else really. I know im in the minority, but i love that GT Sport is almost like an Online-only Game, the beta was already awesome. Finally i can play the shit out of Online in a Real/Simulation-Racinggame like Gran turismo, because they actually developed what it seems like a really good onlinesystem.
It seems like most people dont like that, but i love it. All the time in F1 Games, Driveclub or Project Cars, online was meh because there wasnt a good system and not focused on Online. thankfully GT Sports will.
Still as a big Racingfan sad to see this, but it makes sense.