I’ve never met a CEO or any sort of manager they match your description. 
  A few were assholes, more (managers) were incompetent but none of them were
  backstabbers, liars or cheats, because you genuinely can’t lead people if you
  are.

Sure. I worked for a company where the money ran out. Turns out the CEO was embezzling the money and eventually went to jail for fraud related stuff. Or look at Theranos. Nikola? Here's another ten.

https://www.nbcnews.com/business/markets/10-ceos-who-went-bo...