But “Cars” is aimed squarely at the Matchbox/Tonka/Micro Machines set. There were scenes in the film where I couldn't help but think, “This is kind of stupid, but I'm sure a kid would find it funny.” … Where did the fuel come from anyway? What in the world is even in “organic fuel”? Why are there military vehicles? Was there a car war? If (and granted this is from the “Cars 2″ trailers but it's worth mentioning here) the Popemobile is indeed Catholic, … …

The rest is here:
In Which Trish Tries to Reassess "Cars" – Tricia's Obligatory Art Blog