A lot of people argue today that he was basically correct about Communist infiltration at high levels of the US state department, and the reason we generally think of him as a villain today is because those Communist sympathizers won a political conflict against him and then other Communist sympathizers in American culture-making industries won a cultural conflict against him, which among other consequences is the reason I was taught The Crucible in high school.
Anyway, claims that some group of people are propagandists or that some particular messaging is hateful or fake or propaganda are themselves a type of propaganda. There's no way to evaluate any meta-claim about how we ought to interpret the memes we encounter in society without an object-level understanding of what those memes actually are, which I think is one of the best arguments in favor of radical anti-censorship ideologies.
Anyway, claims that some group of people are propagandists or that some particular messaging is hateful or fake or propaganda are themselves a type of propaganda. There's no way to evaluate any meta-claim about how we ought to interpret the memes we encounter in society without an object-level understanding of what those memes actually are, which I think is one of the best arguments in favor of radical anti-censorship ideologies.