Don't Make Me Reach Back There

So I read this fun little comic by Mike Dawson the other day, and it got me to thinking.Just like every kid with a sibling, my brother and I were sequestered to the backseat on every road trip while my dad drove and my mom took naps in the passenger seat. And of course, my brother and I would inevitably fight like two ferrets in a pillow case. Why do parents do this? I never questioned this before as I just assumed it was one of those things like gravity that's just a constant in the universe. But if they don't want us kids to fight, all it would take is for one of the parents to switch seats with one of the kids. Right? I mean, it's not like my parents ever spoke to one another while we were driving anyway. There was no real particular reason why they had to sit next to each other. Why is this some kind of unbendable, unsaid rule in family car seating arrangement? Are they afraid they'll have this sudden impulse to fight over the Gameboy once they're banished into the backseat? Well, if and when I have two kids, things are going to change, by gum! I have a dream...