I don't think that's exactly what GP meant. The banking system and the way money really works started being researched quite recently (late 2000s). They are so

I don't think that's exactly what GP meant. The banking system and the way money really works started being researched quite recently (late 2000s). They are some specialists, but a lot of economists (and especially those you can find on TV or read in the generalist press, but not only) are still stuck on the pre-2000 vision where the money banks lend is from deposits.