I see this as a very welcome addition to the public stance of Kickstarter with regards to physical products (which it's been relatively quiet about). One of the reasons we chose Kickstarter as a platform to get our product off the ground was the fact that it would allow us flexibility and freedom to get our prototypes to full scale manufacturing, which were already relatively mature in their stage of production (tooling already complete, near final hardware etc).

Lots of things can go wrong at every stage after you have a final production sample. You still need to get the sample certified by a number of governing bodies, set up QC and shipping, and in the case of overseas manufacturing deal with the freight/customs and finally fulfillment of the product.

I'm happy that Kickstarter is taking more of stance on the subject, as we've had to in many cases provide "returns" to people or deal with "customer service" style requests, which we've done in good faith but it really misses the point of launching a product on Kickstarter.

I think this stance will really help back up projects when they need to make an adjustment, or have to deal with something unexpected. Also, it should improve the quality of projects moving forward by making people more skeptical and aware of the time/cost-instability of the manufacturing process. We were lucky to hit a pretty happy medium with regards to initial volume, and unlike some of the blockbuster projects when we have to change things we don't end up on TechCrunch for it, only the Guardian :)