So it goes with propaganda. For propaganda to be effective, it requires submissive subjects. As Professor Nicholas O’Shaughnessy wrote, propaganda is a “co-production in which we are willing participants.”

Source: Why Does Propaganda Work? Some People Want It | Zero Hedge
The answer is an absolute yes! Millions of people voluntarily belong to Facebook groups whose sole purpose is the dissemination of propaganda.
Whether it be left or right leaning political groups, environmental and other activist groups, many people read their daily output as gospel (a word meaning, roughly, “good news” and later interpreted as “truth”).
Bottom line: Yes, millions and millions of people voluntarily subscribe to propaganda dissemination!