We can see that the similarity in Miller using the comparison between the use of the Devil and the fight against Communism reveals:
The way that witch trial was used to prosecute people those days, the same way that people that confessed to support Communism were prosecuted. It was a plot to eradicate Communism in America.
The larger point that Miller is making about “diabolism” in society is that people that use diabolism should be eradicated from the society.
Diabolism refers to the way things are done or carried with the help of the devil. In other words, diabolism talks among devilish and demonic way of doing things.
We see that Miller showed in his book "The Crucible" how diabolism needed to be eradicated in society.
Learn more about The Crucible on https://brainly.com/question/936016