And people still believe in this sky-high passive incomes
People never change. There were experiences that were shared already how they've just lost their money in masternodes investing not with the popular and established coins rather than still risking themselves to coins that's promising such gains.
The formula is very easy to understand.
Consider the volatility of the market and it's going to be scary if too many of the people you hear are always saying the same thing praising an investment and guarantees you with returns.