He’s referring to the fact that the Effective Altruism / Less Wrong crowd seems to be focused almost entirely on preventing an AI apocalypse at some point in the future, and they use a lot of obscure math and logic to explain why it’s much more important than dealing with war, homelessness, climate change, or any of the other issues that are causing actual humans to suffer today or are 100% certain to cause suffering in the near future.

Which is an issue if those artists want to copyright their work. So far the US has maintained that AI generated art is not subject to copyright protection.