This article was very confusing and difficult to read. There seems to be a conflation of workers being replaced 'robots' (Human teller -> ATM) and the process by which humans are simply more productive through augmentation (Manager with paper ledger -> Manager with inventory system). There are some nasty potential error sources when comparing productivity per country over time because they use different currencies wi…
It's all the same thing from a high enough level. If your manager can do the work of two managers because he has an inventory system, you don't suddenly manage twice as much inventory (because everything else about your business doesn't change at the same time), you fire every other manager. But the point is that society as a whole is richer because you can get a good from a manufacturer to a customer with less overa…
Except managers are "sticky", and generally aren't fired merely because they are less burdened. All jobs not just managers are in truth sticky, but in general the more status a job has, and the more high status interactions a job has the greater the difficulty in removing the position.
A lot of companies became much more productive on paper during the recession, not because they did massive changes, but because they were forced to finally cut some staff. Like a cheesy 80s movie they had the productivity inside themselves all along, but it took the need to trim budgets to expose that productivity.
Of course a lot of companies never actually really pared down things, or not enough to really boost their productivity. It just isn't simple to get that productivity to reveal itself, especially outside of an existential threat.