None of those other things count at all in his favour, but they are common enough failings in men and university professors. One would need a good reason to opt for some one with any of those feelings. Arguments made about JFK on this thread take such things into account.
I recall picketing a pro-abortion rally at Cornell with Sagan as one of the main speakers.
Still, someone can have these failings and still have a corrupted form of the virtue of magnanimity. If you have someone who is too good to pull his share of weight on what he professes is his core vocation, I don’t see much hope without serious transformation.
Maybe your extra 30 years would have served to make a man of him.
Maybe another 30 years would have improved him, maybe not. Sometimes maybe God takes us out because there’s no further point to it. Still, he was an inspiration to me and my love of astronomy. There is a Bible quote “He made the stars also”. I think that’s true.