It´s primarily a defense/war preparation measure.
Both covid and especially Ukraine war revealed that just providing the reserve currency and import most vital resources, raw materials and products might not be such a good idea after all.
To reverse almost 55 years of geopolitics will require drastic measures obviously....
Since it is such a huge paradigm shift, I would not be surprised if Trump goes for a 3rd term, even if it is going to be harder than FDR doing it since it has been ratified since then with the 22nd amendment.