Well, this kind of looks like an egregious violation of company policy. It looks like she punished an employee for giving an interview to a famous minority politician. There has to be some company policy against retaliation on political basis.

Regarding "mob rule" this is a free country and people have a choice which website to read and to contribute to. If people want to go away from reddit that is their choice. The company that owns reddit does not need to follow reddit user wishes, but they have to face the distinct possibility that those users will leave and the consequences thereof.

You can call it mob rule, but other's can call it the matter of ordinary people exercising free choice.