That's a shame! It's just the way of shipped eggs. There's so many variables involved after they leave your hands (& even when they're in his) that there shouldn't be any blame on you if nothing hatches. I understand he may be upset but he has to really think about it. I've learned some people just want to blame someone for something.
Yep! It can be frustrating for both people.
Did I see TWO Dasps in one of your pictures? How are your little eggs doing? Can you tell yet?