It’s not the rails that’s the problem.
It’s the centrally controlled freight, the tethered individual that could mean the end of options for individual meat units because with identity comes gate-ability.
DARPA built the infrastructure, Gates opened the gate, and now blockchain will bind humanity to permissioned everything.
Unless bitcoin offers a way to opt out of the China model. But bitcoin could be a kill box for smart rebels, like Jamaica and Haiti were for the transatlantic slave trade.