There are other racing categories for that ... F1 cars are supposed be the fastest cars around the track! and there are people who watch F1 just for that, they want to see how fast a car can go around the circuit. Honestly, i prefer watching two drivers going side by side flat in a high speed corner, than Ericsson struggling to keep his car on track!
GP2 cars have huge downforce too, but races are much more enjoyable because everyone has the same car basically, so i think if they manage to reduce gaps between F1 teams (costs, flexible regulations), races will become more intense, regardless what levels of downforce or grip they have!
GP2 cars have huge downforce too, but races are much more enjoyable because everyone has the same car basically, so i think if they manage to reduce gaps between F1 teams (costs, flexible regulations), races will become more intense, regardless what levels of downforce or grip they have!