The open source vs closed AI debate often misses what practitioners actually care about: can I use it, can I inspect it when things go wrong, and can I run it on my own infrastructure if I need to.

People who call themselves anti-AI activists are largely reacting to the opacity of large models and legitimate concerns about concentration of power. That is a reasonable thing to worry about. The answer to that is not to stop building AI. It is to build it more openly.

Carmack has been consistent on this. He builds things. He wants the tools to be available. Hard to argue with that position from a craft perspective.