I like everything as it is now with the exception of launch control, which is banned this year. I don't know, part of me likes it because you could really figure out who has the better software engineers on the team. Then again, it doesn't leave anything up to the driver except push a button.
I think the tire technology these days, it would not matter much it was it was slicks or grooved. I remember reading something a while ago saying that if we put the grooved tires on cars back in the days, they would've been even faster than with slicks.
Why should everyone use the same rear wing? Aerodynamics is such a big part of winning these days. It is almost like saying "Everyone should use the same Engine." Well, then again if you really like that you could go watch IRL, same chassis, same engines, just different drivers. If you like going around in circles that is

.