That is true but some projects are just bound to fail more than the others. With a good team behind a project anyway, it is usually very hard to see such projects fail.

Yes! They will work their butts off to make it a success since that is what they have always done.
Moreover that was even the essence of the crowdfunding so they can have huge stuff to bring the idea into limelight and make it blow even more and at least even if it fails, you know it was worth the try rather than some who just had the mindset of having a failed project from the onset and dashing away with your funds.