Not sure, "Be slightly evil"? If you're thinking "sociopaths," those are the likes of Barry Shillbert/Danny Brewster in that article.
By that guy's thinking, Bitcoin is in the last death throes; 99% "mops," (~30% of those seeing themselves as "sociopaths"), and the rest disillusioned "creators" turned "sociopath"/"evils."

Everybody else is just green
Have you seen the chart?
It's a helluva start
It could be made into a monster
If we all pull together as a team
And did we tell you the name of the game, boy?
We call it 'riding the gravy train'