So why do your bother with R33 Skyline line up so much? It's a poor man BMW, never was on sale outside Japan.
I would better think why there were no Ferrari, Lamborghini and Porsche in GT4. You had enormous amount of Japanese junk, but no world leading sport cars. So guess now why some of them appeared in GT in fifth instalment? Who is trying to compete?
Maybe it's to do with lisencing? I mean seriously, they have introduced ASL, Cizeta and numerous other supercar/sports car manufacturers to millions of gamers around the world. Heck, they were the first with Pagani Zonda I think...Along with the handful of classic WRC car like the Stratos and Deltas and Peugeot's and Citroens and Subarus and Mitrubishis, etc etc etc.
And let's not forget the hordes of Le Mans monsters from all ages, both the peak of the Group C cars (nissans, Toyotas, Merc/Saubers/Peugeots, Mazdas) to the latest (well, then) Pescarolos, Audis, Bentleys and Toyotas, as well as many of the GT cars competing like the C5R, Viper, etc.
Then from Japan the super GT cars of all classes and many years, skylines supras mazdas toyotas subarus etc etc etc.
Fact is, GT4 had more fast cars than Forza had fast cars + slow cars + useless cars put together.
And now we've seen two open wheelers in the series, along with the latest SuperGT cars, WTC cars and NASCARS, while T10 have added no rally cars, the prototype GTR show car that never actually raced (I have no idea why they included that one, and not the one that raced, nor the GTR considering they were all lisenced by Nissan Motorsport), and out-dated nascars. Oh, and a few Le Mans cars.
GT has had the world leading cars for ages. Not all the popular ones. So why do YOU think T10 are adding these great cars into F3?
If that's what you need to keep telling yourself to sleep at night, then have at it.
second that.