Bah!
The anger here is righteous if it is born of wondering how one can back one project and have one's funds approppriated for a different one.
The kickstarters put their cash behind the original idea, warts'n'all. Using that money for "a rethink" was a) unprofessional and 2) bound to end in tears.
I mean, the term "scope creep" has sounded the very public death knell for many a government IT rollout for decades.