The difference is a central bank middleman is (at least in theory) democratically owned an operated. You have a say in how it's run. Contrast to today's system

The difference is a central bank middleman is (at least in theory) democratically owned an operated. You have a say in how it's run. Contrast to today's system where the likes of JP Morgan and Wells Fargo can defraud people in broad daylight with zero repercussion.