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by cabalamat 5411 days ago
> Not everything I'd want to do would have an immediate commercial payoff, which would rule out investors. That, in turn, would rule out anyone else doing it, which is why having a wealthy backer is necessary.

If something is a good idea, you can probably persuade some other people to contribute to it. If you can't persuade anyone, it's probably not a good idea. Even if $500M wouldn't get the job done, it'd be enough to fund a prototype or demonstrator that could attract more funding.