[notmattlythgoe]

Originally Posted by Chris is me

The quote you just supplied only supports the first half of your statement. The second half of your statement isn't really supported by the rules anywhere (other than overall bumper weight restrictions, restrictions on the functional outer part of the bumper, etc). It is imperative that we do not read intent into rules where nothing written into the rule supports that interpretation - nothing in the rules prohibits bumpers from being any particular amount of structural.

What he said.