Let me make it simpler. All the coins mentioned above will fail. Only own them for the P&D gambler's gains.

Summarizing all detailed arguments for layman is something on my future todo list. I really don't think you are going to understand unless we have a 1 month lecture series that every speculator needs to pass with a grade of at least a B. For example, how do I explain esoteric computer science topic of "dependent typing" to a layman