This is the funniest possible answer to "Sounds like you've never changed a tire. Or at least not outside of a very controlled environment."
"Oh, you think I've never changed a tire? Well here is my abstract high level understanding of the steps to changing a tire! And have you considered the quintessential controlled environment for putting tires onto cars?"
We all change tires with a jack and a spare? It's like a simple skill? I don't get the point your making then?