"Just In Time" logistics that hollowed out any rainy day capacity in supply chains and thus allowed Covid to transmit such enormously disruptive shockwaves throughout societies needs to be understood as part of a broader ideology of the ruling class that this should be how everything is structured, including human lives.
Leave no reserve energy left in workers that is not absolutely necessary for them to get through the working day. Make workers live a life of "just in time" paychecks.