People can have Stockholm Syndrome as well (
if it exists), and so the same could be said about any friendship. And if you're willing to submit that people can be friends with other people even if they suffer from mental trauma, then pets can follow suit. That and I doubt all pets suffer from Stockholm Syndrome anyway. There are only a few scant reports of Stockholm Syndrome existing, but there are countless reports from all time periods and every culture of pets who turn against their masters for mistreating them, and certain pets will knowingly use their masters if they come to learn they can get away with certain things.
Your second point is correct, but I'm beginning to think we won't really know until we understand what causes children to create imaginary friends. If they're the creation of the child due to loneliness then I'd say they don't count, since it's still the creator
inventing a friend for themselves (if they fail to make a friendship that's something else entirely.) If it's a naturally occurring psycho-phenomena without any provocation then I would have to agree that technically they are friends. But then I'd fear people might try to capitalize on that to avoid learning how to socially deal with other people in the real world.
And yes, motivation is very important to this whole situation. In the real world, you couldn't just label anyone as your friend, they have to act friendly to you. That's why I feel like this whole discussion is pretty basic. Everyone's taking a very self-centric view on the matter, when it really isn't. You don't decide who's your friend and who isn't, it's the acts of others around you that determine that.
I never argued that an online friend isn't a friend. In fact I was defending that point from my first post. I just disagree that a spore of friends can be a friend.
I just have a problem with people being so lax with definitions. I'm not saying that relationships with imaginary people or anonymous groups of people don't exist, but I feel they fall out of the definition of friend, and that to use such a definition to define the relationship might distort it's meaning for the user. And yes, a group of people can be friendly to someone, or an imaginary friend can be friendly towards its creator, but is it really the same situation as friendships we define in the real world? Pets are fundamentally in a different situation than people, but still can act friendly towards it's owner and for the same reasons as any normal friend.
Thinking of an anonymous group like a town of people, I can concede to you that an anonymous group can be considered a friend. Though I'm still iffy about that. I would consider them friends, but not a friend (singular, and I think that's where we were disagreeing.)
As for imaginary folks I think there's too many unknowns to say for sure, and like transsexuals, asperger's syndrome sufferers, sufferers of depression, quickly labeling them as such will lead to a disuse of the term. In fact, I feel it's this pervasive attitude that "anything can be anything if it's close enough to believe it" is an inherent flaw with people who use the internet all the time. There's a massive amount of second-hand disinformation and people are so willing to believe something is fact based on a Wikipedia entry that's slightly similar to what they're experiencing.
That and, imaginary friends are illusionary. When I was a kid I had a Pokemon Yellow, a game where Pikachu follows you around, and regards you with friendship if you treat him in a friendly manner. I know he's programmed to be friendly if I do X, but I don't really know or understand what X is. Is a videogame Pokemon my friend then? An imaginary friend can be friendly as well, even though you don't know how. He/she/it/skle creates feelings of friendship, but aren't they caused by imaginary stimulus? The image of food on tv will make you hungry, but it's not actual food you can actually eat, only an image. In the words of Magritte, "Ceci n'est pas une pipe," just because something causes a reaction, does not mean it's anything more than an association with a non-fictional object.
The phenomena of kinship with non-real entities is a common one, I feel like one of the gang when I watch Scrubs, but Turk and J.D. aren't real. Dr. Cox isn't real, he's a fictional character. Just because he provides the same feeling of a friend, does not make him a friend. Just really good television.
And seriously, do we need MORE kids who think that they're real anime characters, or half-vampire/werewolf/dragon/elf/furry/fairy/the codpiece of Princess Leiah's slave costume?