A bird in the hand is worth two in the bush. Wall Street bonuses are cash. Your options are restricted and the value is very unknowable.
I think this only applies at companies not using RSUs. Since I think you get taxed immediately (no capital gains) with RSUs.
I knew a guy at a fund who told me he hated the place, but he was locked in for the next 5 years due to several million being deferred. No motivation at all, the guy sounded very jaded.