[coldtea]

A large percentage of it is entirely their money. And in fact, not even actual money somebody at the bank owns, just numbers on their ledger (that they still make interest from borrowers off).

In fact, there's most of the money the banks loan is not "somebody else's" at all, it's "loan money".

https://opentextbc.ca/principlesofeconomics/chapter/27-4-how...

[ddingus]

Money created at the time of the loan.

There is (in simple terms) as much money as people can reasonably borrow.