If you want to fight for the establishment of a dictatorship of the proletariat, you should understand that revolutions eat their own, and you will not be safe [harvard.edu] no matter which party faction you are in.
There is no other way, Trotsky, a psychopath with ambitions unmatched with Soviet potential, was "eaten" by a pragmatist in the face of Stalin. Same thing happened after French revolution. Revolutions don't eat their own, revolutionaries with destructive tendencies are discarded by constructive elements.
Do not confuse the label of propaganda as necessarily being the same as untrue.
Any decent propaganda is factual truth presented in suitable context of choice.