I think it's unexamined ideology. there's a project to indoctrinate us to not have empathy for humans in distress, to see their circumstances, generally, as a product of their choices.

guarantee most people who wanted to save this dog and ignores the human passively assumed this guy could "take care of himself" in a way they felt the dog could not.

Yup. It’s rationalized (if at all) as “this person is in this situation because of their choices and they can choose something else” vs “this poor dog didn’t choose to be here we need to rescue it”