maybe because they have lost money whit bitcoin, a lot of inexperienced people think that bitcoin means earn a lot of free money for do nothing, but they don't know that a lot of people lost his money whit scams or decreased value of the coins
That is true. Many have lost their money. Bought bitcoin at 1000+ dollars from the past then look at the price now. That is a lot of money when you are a buyer and thought it will grow more. It is really a heartache.