No Man's Sky's developers sold a promise upfront, not a game upfront. You see the same thing with pretty much all pre-orders and early access games, not just th

No Man's Sky's developers sold a promise upfront, not a game upfront. You see the same thing with pretty much all pre-orders and early access games, not just the crowd funded stuff. It is completely different to selling a complete game for $60 with the customers able to read reviews before purchasing or get refunds after purchasing.