[contingencies]

It depends on the type of video game. Maybe Carmack's view of industry is stuck in the old 100% focus paradigm, whereas video games of the future will be more casual, more mobile and more interlinked. In such an environment, issues such as strict resource consumption governance and power management can become critically important. Linux features such as control groups can be ideal for facilitating real solutions here. Maybe Carmack is too low level to see the big picture.