Perhaps, but I don't think that's what happened. He continued publishing good quality research in quantum theory and quantum computation until I was doing my Ph

Perhaps, but I don't think that's what happened. He continued publishing good quality research in quantum theory and quantum computation until I was doing my PhD, which is just before 2014, and likely still does. As I say, I also disagree with his philosophical (and political) viewpoints. But your dismissal above is based on a pretty shallow reading alongside unfounded personal attacks.