If you can tow with a reciever why can you be towed by one if built right

I may be over thinking it, but here's my reasoning. 

With a tow vehicle, yes, you've got the single point of contact, terminating at the pivot point, which is the hitch.  From the pivot point back to the trailer, the load is almost immediately triangulated outward, to the edges of the trailer (very general I know)  On heavy trailers, you rarely (or never) see a very long tongue.  Without having a steering mechanism on the trailer, the extra force put on the tongue by turning necessitates the triangulation. 

Erik, I was thinking rather than triangulate to the hitch, perhaps go farther out the bumper, or at least directly back from the T bar?  Without using pictures, I'm just thinking of creating a more solid mount from the truck.  Basically if you were to look at the mount from the top, it would look like a 3 rung ladder, with the receiver being the middle rung, and the two outter rungs being the additional bracing.