I don't disagree that it's a pretty sharp left turn for this (kind of muddled in general) blog post; I was pretty narrowly focused on the ahistorical notion that Eich had recanted in the intervening years.
That being said, I find it odd that you think no one can sincerely hold the position that someone's bigotry was/is abhorrent, however mainstream it was when they were putting money behind it (which is about as direct a piece of evidence that you can get).
That being said, I find it odd that you think no one can sincerely hold the position that someone's bigotry was/is abhorrent, however mainstream it was when they were putting money behind it (which is about as direct a piece of evidence that you can get).