I believe you have to write out a few paragraphs about yourself so that sperm-receivers feel they have some choice in the matter. But that’s a good point, i do feel a bit eased to hear that. Regarding race, i think they tell this to donors as well because 1. a lot of people like to have children from a similar genetic background to their infertile partner + themselves, and 2. Certain diseases are more prone from mixed races, right? That’s what i’ve heard from stem cell donation