This still lacks the information of his personal benefit. It's just no corruption until you have a benefit from it. And experts are also no argument, as there

This still lacks the information of his personal benefit. It's just no corruption until you have a benefit from it. And experts are also no argument, as there are always experts saying this and that which you can call on later for eny kind of complain. Neither you nor me are informend enough to say whether it was corruption, biasment, incompetence or something else. We don't even know whether it was good or bad for history. 30-40 years are a long time for technology and infrastructure.