They're purposefully putting the more expensive stations in more populated areas!
... You know the sad part about that? I actually wouldn't put it past them to do something like that.
"What kind of gas would you like, ma'am?"
"Uhh, medium rare?"
In a witty little display of defiance, these people dressed up as polar bears and flopped themselves down and played dead in the middle of a Shell station. Message received, loud and clear.