A few weeks ago a bass player friend of mine came round and ended up having a go on some of my basses. He asked me how I managed to play with such a poor set up. To be honest I'd never really noticed - you just get used to it and get on with playing. I have since given my basses a bit of a tweak. The action is lower, the intonation is better, but it really doesn't make a lot of difference when I'm gigging. It still feels and sounds the same, and I can still get around the fretboard.
It seems that some people are obsessive about getting the 'ultimate' set up, some are not
Dragging it slightly back on topic, I'm not a famous player - just done it for enough years to be reasonably competent. I have never played a famous player's baas either.