>

Well you're definitely right in a philosophical sense.  Having a bird as a pet is basically training it to accept imprisonment.  There isnt really an alternative argument to that.  But this is also true for any exclusively indoor pets, which is a huge can of worms.  I do agree, though.
Having bird pets is just psychopathic, delusional, selfish and cruel.

Why? >

A pet is something you think you are being kind to. I feel it is delusional to think so when you are denying their basic right and gift to soar up the sky and fly. This sadistic deprivation makes one a psychopath. Obviously someone conscious of this and yt has them for their own entertainment is selfish and cruel. 
Ofcourse free to roam pigeon pets are an exception. I am referring to at home or caged birds. >

I don't think birds have rights >

Ya they were born to enable KFC's rise! >

Uh... ok. >


is just psychopathic

People really like to throw psychopathy around >

Reddit and throwing psychology terms around without knowing what they mean. Name a better duo. >

How do you know? Did a bird tell you that? Maybe they're the happiest friggin birds around. >

I assume it’s due to things like people having only one bird as a pet, despite a lot of bird species being social animals (I know this for sure about parrots, but I’m not to sure about other birds). Idk y if that’s what OP is referring to, but it’s the best guess.