Note that the approaches I discuss here don’t help at all with catastrophic misuse of open source AIs. Distinct approaches would be required to address that problem, such as ensuring that powerful AIs which substantially lower the bar to building bioweapons aren’t open sourced. (At least, not open sourced until sufficiently strong bioweapons defense systems exist or we ensure there are sufficiently large difficulties elsewhere in the bioweapon creation process.)
I added: