I feel like you are giving him too much credit, this is simply to appeal to the libertarians who are starting to see his idea of small government is fascism. Any deeper play of driving the price would be to benefit his grifters and himself while the dollar craps out.
Maybe also Russia who would be expecting more sanctions and I'm sure have been also buying up.
Then they came from the students, and I watched my parents still beg for more fascism because they thought they were going to be billionaires any day now