What the banks have (now, due to long history) is a regularly regime where we expect the government to fix that credit when the bank gets those credit decisions wrong. In trade for that extraordinary treatment governments demand banks comply with a variety of regulations.
I’ve worked for a long time in the banking and credit space, no one I know in that industry thinks Andreeson did a credible job explaining modern banking. To knowledgeable people he came off as either fundamentally ignorant or extremely deceptive depending on your cynicism levels.