There is no top. There are always further heights to reach.
If I don't practice one day, I know it; two days, the critics know it; three days, the public knows it.
I occasionally play works by contemporary composers and for two reasons. First to discourage the composer from writing any more and secondly to remind myself how much I appreciate Beethoven.
No matter what side of an argument you're on, you always find some people on your side that wish you were on the other side.