Apple is one of the largest technology companies in the world. The iPhone has an install base of over 700 million people. And yet the company has always had a fraught relationship to gaming. Mac users know the pain of needing to run alternate operating systems to play popular PC games well.

In a new facebook post, one of the creators of Doom, John Carmack, shared some of his own experiences interacting with the late Steve Jobs that helps shed more light on why that was the case.