Regulatory agencies limit uses of other products without acts of congress-- cigarettes, vapes, drugs, pesticides, chemicals, explosives. Even firearms, despite a constitutional amendment! Why not models? (Note I am not arguing it's a good idea; I'm making a narrow argument that there is precedent.)

EDIT: I agree that it should require an act of Congress to explicitly delegate this power.

I wonder what kind of emergency will happen when real elections get around

And even if a court places an injunction on the ban, it's possible Anthropic will still choose to keep it unavailable.

Overturning the Chevron doctrine is good because it stops lawful people from doing things we don't like. We aren't bound by laws, so we can do whatever we want.

-- GOP probably

They did. Defense Production Act (50 U.S.C. § 4511 );Export Control Reform Act, 50 U.S.C. § 4812 are just two of them.

Do you remember the export controls on Covid vaccine material during the height of coronavirus? I do