If they completely retire and just live off interest, sure.

If they invest in real estate, other businesses, etc? They're going to be involved. I'm sure there's some exceptions.

Fyi, lacker who commented is the co-founder of Parse which got sold to Facebook and likely is in touch with a lot of founders with similar experience.

I've been in touch with lots of business owners who have been involved in litigation, and I'm currently in one myself.

Sure, but if you rent out anything, you're going to be in court sooner or later. There's usually some wealth component to having something to rent out, but you don't need Internet Millions to do it.

Agreed. Can stick with stocks and REITs to avoid that.