> Oh sweet summer child. Answered below.

Thank you for your condescension: it helped convince me the error of my ways…

> Actually I see its 14 central banks that have this USD FX swap facility (but the BoE, ECB, and BoJ are essentially uncapped).

* https://news.ycombinator.com/item?id=46616169

I am aware of swap lines, and how they were used in the GFC (2008/9) and COVID (2020/1):

* https://www.federalreserve.gov/monetarypolicy/central-bank-l...

* https://www.bankofcanada.ca/2023/03/coordinated-central-bank...

* https://en.wikipedia.org/wiki/Central_bank_liquidity_swap

Swapping ≠ printing.

And if the US wants to cut swap lines, thus making people more nervous about using and holding USD, thus reducing USD as a considered safe haven… ¯\_(ツ)_/¯