A class action lawsuit is a great idea. It is clear from the comments here and on Kickstarter that this situation has been worsened by conflicting expectations. A lawsuit will help clarify what the public can expect from crowdsourcing, and for project founders it will help clarify their responsibilities.
I would suggest that a lawsuit will help clarify what the lawyers and judges expect from crowdsourcing while completely ignoring what is best for crowdsourcing.
