My response is already contained in post #4. I'm not talking about purging every single person who worked for the Communists, because that would (by definition) be everybody to one extent or another. I'm simply saying that the Communist elite need to be completely purged once and for all. What percentage of the population would such a purge represent?...Surely a fraction of one percent, no???
See #12. It is not 1 but 25%, otherwise the communist edifice would have collapsed within first years of its existence if not earlier. And it existed, and was strong enough to withstand quite a stress load - thus its internal strength had to be significant.