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I agree. If everyone is active with the bird it will not overly bond. My B/G macaw likes my husband and one of my step-sons (the other one has not shown the bird much positive attention-the bird knows this) but I spend more time with Big Bird since I'm at home during the day so I think he loves me more. Its amazing how long birds can live if properly cared for. The macaw are sweethearts. Cockatoos are very demanding of attention. Sure big birds bite but to me they don't hurt as much as a little beek.
Actually it all depends on the bird, they have their likes and dislikes in all breeds. When picking the bird ... and allow then all to interact with it and see which one will work out for everyone including the bird.

That's one way to stress out a bird.
ZQ
Actually it all depends on the bird, they have their ... which one will work out for everyone including the bird.

That's one way to stress out a bird.

Better to find that out before a bird is brought home to live in an intollerable situation. Some birds, though they're rare, enjoy lots of physical human contact. If a bird bites or cowers a potential owner should back off and find another. Of my seven birds one, a B&G macaw, will allow anyone to handle him without showing stress. He's strong, confident, and knows he can stop a situation he doesn't like. I hand raised him and his mate including weaning, but the mate willing to the handled by strangers.
Keep in mind that a bird, even a small one can terrorize a child. A macaw, cockatoo, or even an amazon can terrorize adults.