I don't know why, but I'm supremely bothered by the author getting the name of Carmack's company wrong so many times. It's "Id" (or "id") Software, not "ID" Sof

I don't know why, but I'm supremely bothered by the author getting the name of Carmack's company wrong so many times. It's "Id" (or "id") Software, not "ID" Software. It's not pronounced "eye dee".