It's not in anybody's best interest to take away supply for the AI industry. For better or worse (and whether you believe it or not), AI technologies are coming that will be transformational. If the United States decides to handicap their AI industry, China will simply say "thank you very much" and develop these technologies first. Because of the nature of recursive self-improvement, the country that develops powerful AI first will most likely have an economic lead for quite a while.

It sucks that DRAM is so expensive, but it is for a good (economically useful) cause.