The logical conclusion of most of these arguments seems to be that the US should have floating currencies between the states, to stop unfairly benefiting the few net productive export states?
Including investment in education, transport of all kinds, 'going green' (maybe even large new-generation clean-nukes), and also dangling carrots in front of RnD / upgrades likely to produce positive economic impacts.
Not mentioned, since the focus on European governments probably means universal healthcare, is universal healthcare as public infrastructure. That too would be a useful structural improvement and serve to reduce economic friction while improving worker productivity.