You’re not looking at the breeds for the same reasons. These are meat and egg birds, reasonably self sufficient, and the broody hens are desirable, especially in the rare breeds.
Real, yard birds, not caged grain-fed crap for market, you CAN taste the difference in the egg types. We’ve had Cuckoo Marans, Amerauricana, and others. Even ducks. I know that good, healthy poultry produce distinctive flavored eggs.
I’ve eaten then fried, after cracking them still warm from the hen. You can’t scare me… LOL