So rough calculations. World GDP approx 108trn USD according to world bank data for what it's worth. USA 25.279% of that and suggestion of 1m BTC treasury? Therefore if all countries were to want proportional holdings, that would be around 4m BTC.
Conclusion: Inculcated into the mindset of the fiat world, politicians do not understand the concept of absolute scarcity. Might be worth stocking up on popcorn