Careful to what you wish for.

Autarky can be often found in 19th century literature. The one we hopefully don't want to have or produce anymore.

Another spherical cow solution.

I wonder how software engineers will fare in a “self reliant” economy. Do unvested stocks work in a barter?

Without trade interdependencies wars seem much more attractive to powerhungry leaders of countries, engineers can probably earn a living building killer ai robots.