Because they're mostly liars. They pretend to be left-wing, and have even been adopted as neo-marxists in many countries. But any serious examination of their "thoughts" reveal the many flaws therein. So, one point in being so "hard to read" is that they can always flee saying "that's not what I've meant". So they keep on misleading so many "developing countries", against any chance of real revolution, which was their goal, from the beginning.
Yes, I'm ready for the downvotes from the "ever ready reactionaries".
