This article is actually pretty well written, so credit where due, it's all her Bitcoin quackery. I don’t really trust any flat earthers to write physics blogs.

Any article about the Federal Reserve that isn't talking about their discount rate is more or less presumptively quackery until proven otherwise. As other commenters have pointed out, this criticism here has nothing to do with what the Fed is for or about.

If you're asking for sources, try an intro level macroeconomics textbook.