The concern I might have with it is if they raised the money with the claim then removed the claim after people had pledged. It wasn't clear to me from the article what the timeline was with changing the language and the end of the campaign.
> That said, we wanted to clarify that our blanket is not an FDA approved medical device, and as such, we've tweaked the language on our Kickstarter accordingly. We hope you understand, and we’re very excited for you to try this out for yourselves.