Try going to any “scientific socialist” community and tell them you don’t believe what Trotsky said about the Kronstadt sailors.

Watch criticism of party structures and leaders get flattened into base-anticommunism.

I’ve read and listened to plenty of Marxists, enough for me to trust in their analysis, and not their ability to talk to people who don’t know how, or don’t want to learn how to walk on your eggshells.