Actually my mother gave my brother rum once when he was an infant and had an earache.. it used to be quite common for teething and colic...
I think it is somewhat important to make a distinction between what is potentially dangerous physiologically and one's attitude towards alcohol. I'm not going to let my birds get into my cocktails on purpose because I think the risk isn't worth it. But they are "grown up" creatures, not infants. I wouldn't give an infant parrot pellets... or put one in a cage to sleep... so I'm not sure that's the most effective rule of thumb to apply here.
Then again, I grew up drinking wine at certain holidays, and I don't think of alcohol as something particularly evil which is always somewhat naughty.