There is no question that the level of effect in terms of trading off good and bad is the most complex part of any sim game. An adjustment to the aerodynamics that gives you grip at the cost of speed and how much those quantity are is I imagine the most difficult thing to get right. The issue with setup parameters doing too much or too little is in every sim game. AMS2 does a better job of getting this right than any other game, however, in my opinion it is something that can never really be nailed down. With over 100 cars and each car with 100s and thousands and millions of permutation the opportunity for exploit is obvious. Moreover, some cars seem to have nervous characteristics as the quality aimed to balance them, think GTE Corvette GT3 720. In principal this makes sense, however, in practice a driver can simply us setup options to dial this out while keeping the advantage in speed, hence you get unbalanced cars. The hope with a setup+ option is. First the cars get balanced in baseline setup. I know it can be done they have done it with GT Classic, which has made that class extraordinary. Then if you say give the 720 a bit of speed advantage for being hard to drive, a player simply can not change the setup option to nullify the balancing element. All this being said, it is just an idea and I enjoy coming up with things like this so of course I have no real stake in what happens to AMS2 beyond playing the game and these suggestions are aimed to be just that.