That's fair. I was mostly thinking of the smaller varieties of parrots like budgies or cockatiels that are probably on their way to being domesticated, but you're right that they're not actually domesticated.
That being said - I meant more that the typical birds that people keep as pets are...
I'll third the statement that quail are gamebirds and don't have the same domestication history as things like chickens or parrots. You're likely to never have a quail that comes to you for cuddles, or prefer you over other quail except in special circumstances (ie, some people have had success...