So are home mortgages. So is giving your brother $200 to make rent. So is buying the AR-15 you've been saving for. The money supply is elastic, and responds to economic activity. Harnessing that truth as an engine of growth is the fundamental insight of modern economics.[1]

The contention upthread was some ridiculous hyperbole about "minting dollars out of thin air", and the truth is that... nothing of the sort is happening. At all.

[1] And by extension, arguing against it piecewise like this is tantamount to demanding we all go back to a barter economy backed by hoarded treasure.