Dear Always,
I think that speech indicates the reverse. Communism among the people was really overrated among the people in the first half of the last century. Mostly because they had no idea what it was. Once America became ore educated and had the counter cultures of the 60s and 70s, public discourse started for real on communism. In the USA, communism is not even a half viable option. But I’m South America it caught on. And all the major economies were communist leaning by the end of the century.