On March 15th, the Fed lowered the fractional reserve requirement to 0%. Yet, since that day banks have been hoarding cash like never before. pic.twitter.com/jpYF4Ypzjq — Mati Greenspan (tweets ≠ financial advice) (@MatiGreenspan) April 13, 2020

So, a bank can lend out what ever it wants. This is why inflation is high all over the world and the currency milkshake theory is playing out.

"Here's a simplified version: All currencies are doomed because they're not actually valuable. The dollar is slightly better because it's the favorite child. When the Fed stops making more dollars — the frothy “milkshake” — demand for existing dollars goes up.Jul 19, 2022" -- Bloomberg