It's because of the Inverse Square Law. There's less attraction between toddlers and cars the farther they are apart. When closer, you require an exponential amount of force to remove the toddler from under the car, where it naturally wants to be
Big Toddlers is covering this up!
(note I am trying to be satirical and imply a shadow organization 'big toddlers' exists however it sounds like I am talking about giant babies which is possibly more funny)
