What people should be afraid is the rug pull.

How exactly do you plan to pull a rug that's in my basement? The only people who are in a position to pull rugs are closed-model vendors.

And if a nation-state or other entity can't train a model that outperforms the open-weight SotA in a given respect, then they shouldn't waste electricity trying. A more-enlightened civilization would join forces and make the combined result available to all.