Why not? Options are usually "in the money" so if you don't exercise them you are throwing away money which you already earned.
Why do you think that?
It doesn’t require ‘very, very good luck’ for most companies shares to not collapse.
If you work for a big company like Oracle or IBM your options have cash value no luck needed.
What? These are public companies; short-dated OTM options have > $0 value only in volatile markets. But these companies don't pay employees in options.