[throwk8s]

Many of the people who lost more than they can afford to lose were naive, not greedy. I believe that's the author's main point.

The problem is that cryptocurrency purveyors have marketing budgets, and cryptocurrency skeptics do not. It's difficult for people to get the message that cryptocurrencies are a scam when the promoters are running superbowl advertisements, and the detractors can only comment on the internet.