True, but you also have former agents who complain that they get fired for things w/o having taken a poly. So, it seems, for some, passing a poly as proof they don’t do something wrong is important.
Why go through the stress and performative dance of a poly when there's zero upside? He admitted to being a friend and (according to the article) that's alone enough to demote and block advancement.
Polys are also subjective. They keep asking the same questions over and over again until there's some indication they can point to and say you're lying. It might be a sneeze, cough, or a deep breath at the wrong time. It's also generally a multi hour to multi day ordeal. I wouldn't bother if I was them.