In the current US political climate, people are regularly subject to calls for denunciations for making similar statements, about figures perceived as "far right wing".
Suppose the comparison had been Hitler rather than Stalin, how do you think the results would have played out?
If the comparison would have been Hitler that still wouldn't have made Max Boot a facist. Thinking that it would have would still have been a reasoning error due to political mind-kill.
Saying person X is worse than known bad person Y in no way implies that you like person Y or want to adopt their political platform.
Based on your previous votes, our recommender system estimates the probability that you will find this post
interesting. The estimates become more accurate as you rate more posts.