It's basically the same thing. What's stopping them from eventually losing interest or the non profit getting hijacked. I personally think the whole thing is a huge waste of money and i can imagine some guys in 50 years will think so too.
That they and the people they care about are stored there. This is a far stronger incentive than any profit motive.
That they and the people they care about are stored there. This is a far stronger incentive than any profit motive.