Right. It was all OK back then (it really wasn't), so we should just shrug it off. I mean, Von Braun was only a Nazi because he wanted to play with rockets.
We need to take all this into account.
I in no way, wish to ever deny someone's scientific contributions. We can't deny the genius of MJ and Bowie, but we sure as hell can incorporate the whole person into their legacy while we're singing along.