I feel that although most people are cordial and having fun in Kickstarter projects, there is an ever-growing pervasive number of negative people. I've even found myself being more critical at times.
Have backers become more comfortable, more expecting, more demanding?
Lastly, people have to realize that these companies can do next to nothing about the rising shipping costs. That is the price to have a logistics company involved in the pick, pack, and ship process. And believe me, you don't want delivery without the logistics company.