I hear they're doing refunds which is good but anyone who really wanted to play it but doesn't have the other systems, a decent pc nor will be able to buy the switch got the short end of the stick. But I'm honestly not sure what else PG could have done under these circumstances
They said themselves that most of the donations went towards the U version and that the U version was the one Playtonic was personally working on (the X1 and PS4 versions would get ported by T17.
I don't own a U but I can see why its owners are pissed, they paid the most towards the kickstarter plus it was said to be the "definitive" version, they got screwed over.