As I have always stated, #11 was not capable of shearing #12.
The latest releases prove that by showing it was structurally "unsound".
It appears to exhibit and exterior /outward force from internal to the member; this could be a result of reinforced "rebar" buckling once load was applied to it...
Deck hinged 11/12 and fulcrum upward and backwards before deck was pulled out from underneath it.
https://www.youtube.com/watch?v=9X8FIFPnDh0 This video will resolve your questions on why the PVC pipe presents with ''no damage'' and the reinforcement being in such great condition. Also...