I glossed over it because it isn't really relevant to my point, but yes, the reserve requirement in the US is currently zero: https://www.federalreserve.gov/monetarypolicy/reservereq.htm
> Edit: to make my point clearer, banks don’t need your deposits to create new money. They just do.
This is not true. Like I said, banks only lend out money they have. The only way banks "create" money is because the same money can be lent out multiple times (Bank lends out Person A's money to Person B; Person B deposits their money at a bank; Bank lends out Person B's money to Person C; etc)