Democrats make the rules harder to follow so it makes it easier for the PTB to cheat.
Feel The Bern of stolen votes going to Hillary DUmmies.
There's a solution to it; simply a plain ordinary run-of-the-mill primary where one man, one vote is the rule.
Nothing more than that.
But Democrats, liberals, and primitives don't want a simple system--that is, until they get screwed by it--because it can't be manipulated to bring about a desired result.