No, but him crying to every media outlet available does speak to his character. And as
oldpinepoint mentioned, lack of professionalism. That may have had something to do with his career options.
How do you know that SS didn't do everything possible to preserve the relationship? Are you in on their conversations?
Friends don't demote friends? Friends don't fire friends? It happens in all walks of life, and a cut throat business like coaching at the highest levels magnifies that pressure to perform even further. Produce or don't, and the clocks ticking.