Even if there were a blanket ban, I think corporate lawyers would quickly find ways around it for special cases (e.g. VPs, c-level, etc). For example, you coul

Even if there were a blanket ban, I think corporate lawyers would quickly find ways around it for special cases (e.g. VPs, c-level, etc). For example, you could ban blanket non-competes but not ban non-competes where very strict criteria are met, or having an exec agree to pay a [an insanely large penalty] if they choose to go work for a competitor.