A second mistake is thinking these types aren't in lots of other businesses and even government! Just happening on smaller scale to smaller groups.

In my experience, some amount of sociopathic behavior among executives is not the exception, it's the rule.

Why would it be limited to social media companies? Have companies like Airbnb done anything to show YC companies are more or less just as bad (once they are big of course)

Reddit is a YC company. One of the first