It's also true that the line between "American" and "Soviet" (or, for that matter, between "American" and "1940s German") is not drawn in remotely the same way as the line between "burns others in ovens" and "doesn't"
Ok, how about the difference between "sends people to the gulags on trumped up charges" and "doesn't", or "engineers famines" and "doesn't"?
That's (approximately) the difference between Stalin and not Stalin. I'm pretty sure most Soviet astronauts had never engineered a single famine.
The "participating in the system" argument given by Jiro is more reasonable, so see my cousin comment for my reply to that.
Another month, another rationality quotes thread. The rules are: