They already have their own designer clothes, health insurance and therapists and now more and more American pets are enjoying their own birthday parties as well.
A surprising number of pet owners host birthday parties - complete with party hats, cake and guests for their dogs, cats and birds, a survey by California-based Veterinary Pet Insurance says.
Link.
It's been awhile since I made the point, so I'll summarize it again: In a world where children are rare, people turn to substitutes. It's unavoidable, since children are natural. People who don't have them, or who keep their production at artificially low levels, feel a need. Enter pets.