Originally Posted by GhanBuriGhan 
Could also be some reasonably wealthy friends or relatives, though… (just to offer another explanation)
Absolutely, could be

Though why not give it to them directly then and avoid the fees to KS? Would be more beneficial for the devs.
Could be 3 people who really wants the game. But i must say its slightly odd to have 3 really super hardcore fans and almost 0 other fans