Strange robots at WWDC that no one is talking about?

While I do not currently own any Apple products (I sold my MacBook and iphone a while ago), I still enjoy their products, and most of all, I respect their dedication to upholding the image they've worked to build. That being said, will someone please explain to me the logic in bringing TOY ROBOT CARS to a conference the entire world is watching? I don't have anything against a company branching out into new territory, but to bring those on stage at WWDC seemed like a very poor move, and that's disregarding the difficulty they had getting them to work. Also, I find it strange that no one is talking about this. Both "sides" are ignoring the announcement. Normally, a new product from Apple would receive praise and devotion from the Apple fans, and mockery, hatred, and anger from the haters.