SpookyFrank
A cheap source of teeth for aquarium gravel
Looking at the details of the process it's not something that will ever get ethical approval for human use. You couldn't use it to choose the sex of your own kids anyway. Or you could, but only by permanently altering your own genome, and in a way which if it goes wrong could prevent you from ever having any children at all.
TLDR version: OP is a load of bollocks.
TLDR version: OP is a load of bollocks.