armchair dictator 

An internet expert who believes anything and everything he/she posts is unquestionable fact, and has no burden to support any of his/her claims.

Bah, you can ask him for evidence all day long, but he's just another armchair dictator.

armchair dictator by Grandmastershek September 23, 2016

Armchair Dictator 

A lazy filmmaker who puts no effort in directing a movie. A armchair dictator is typically only in it for the paycheck.

George Lucas took an armchair dictator approach to making the prequels.

Armchair Dictator by dyslexicperson2 March 30, 2020