> The amount of people making a profit from it is less than 5%
I find it amusing how casually you just made up a statistic and used it as justification to ban something. Here's an actual statistic: 100% of people who held Bitcoin for longer than 4 years are up on their investment.
edit: Lots of downvotes for an easily verifiable fact. Anyone can look at the BTC chart and see that there is no 4 year span where the price ends up lower than it was at the start.