Exposing crypto currencies as ponzi schemes and showing that they never had nor ever will have anything to do with money is an incredibly easy task to do. All one needs to do is to look at one simple concept -the concept of number. A number is defined as a mathematical object used to count, measure, or label things. Now, given this concept let us ask one simple question: What 'thing', is measured, counted, or labeled, with the number called bitcoin?
.... the rest you can watch in this short Youtube video:
https://youtu.be/gcNngl8fCUYBitcoin didn't get so popular because it was a scheme. It opened a new thread which leads us to a new era, the era of blockchain. We will achieve great things with this tech, it might not be Bitcoin, but something good will come out of it.