All of my birds talk, just not all of them speak English. I don't care. When I got my budgie they said it won't talk if you put it with another budgie. She looked lonely, she got another budgie. She only talks "budgie", that's fine with me.
Because my galah can already say "hello", I do say things to her that she might one day repeat. I don't care whether she ever does, but it would be a nice surprise if she suddenly did. That's just because I'm impressed by all of her "schtick", not because I specifically want her to talk.