Hackers flourish even more ever since Bitcoin came about. It's why governments should be cracking down on it. It's doing huge economic damage. https://www.cnbc.com/2017/08/11/hbo-hack-game-of-thrones-ransom.html
Trading seems fun, exciting, exhilarating, etc. so it has a lot of draw to it. And many people won't dig deeper than the euphoric emotion that they feel. However, trading is MUCH harder than investing. And much of the industry is bent towards getting you to trade rather than invest.