They are directly involved to a degree because they take on roles in design, design documentation, contracting, shop drawing review, and construction administration. We cannot though determine the how and why just from the photos. There are so many things that could result in the concrete not being the right size that only blaming specific people or entities clearly don’t really know what they’re talking about.
Temporary in terms of construction means you put it in knowing it will be removed.This isn’t temporary and should not be excused as such. This was a botched install and having to redo the work doesn’t make it temporary.