If we look the whole background from where the btc Liqutity comes its a USA dollars and Canada dollars.
As I know this for fact
Alot printed money from USA and Canada is in bitcoin as a lot btc hodlers from USA and Canada
You are making alot of statement that can be mere assumption but you said you know for fact. Now you can provide more information on it, you give link to your source of fact so we can follow and understand your thread.