Forrest Mims is a notorious denier of climate change and evolution, and a an almost religious distrust of civil government, who also has a genius for explaining electronics to beginners in an entertaining way.
You correctly observe that a great many great artists, musicians, writers and scientists were utter dicks in their personal lives, or their public and political lives. If their accomplishments must be rejected to avoid condoning their failings, we’ll have very little art, music, literature or science left. They’re made by human beings. Angels are in very short supply.