I think everyone should realize that SH is an enthusiast, a student, and an innovator - not a business or high-volume hardware manufacturer. Appreciate the amazing work he has done during an already-stressful time in his life, and be accommodating and understanding about the sale and shipping of these adapters. The same applies after they arrive - it's not like these come with a warranty, and he's just one dude, not a customer support team. We're going to have to work together as a community to solve issues that come up. Remember that you're not buying a product from a huge company, SH is probably paying out of pocket to get these manufactured and we need to appreciate this and his brilliant design efforts.
Tl;dr - don't act like a customer, act like a fellow tech enthusiast.