The writer of the article to which you link cites the equine character 'Boxer' as a devoted worker with child-like faith in the system... Hitler and Stalin need plenty of such people to make their dehumanized orders churn out the weapons and provisions for aggressive warfare. Once exhausted or crippled of such work one was expendable, like 'Boxer'. One started griping, and one went to a labor camp where one would be finished off by intensified toil on starvation rations. For humans that is the 'glue factory'.
Orwell was as much a critic of fascism as of Stalinism. Many now apply
1984 to Trump's America for the linguistic fraud, the inculcation of fear, and the disparity between official ideals and the vile reality. What is missing from fascism or Stalinism is the climate of personal fear when people dread the knock on the door at 2 AM from the Gestapo or the GPU.
Nasty systems, whether the plantation order of the Old South, fascist regimes, Stalin's Soviet Union, Japan of the WWII era, or Iraq under Satan Hussein, compel people to work with promises of better (even if what is better is 'Pie in the Sky When You Die' for those who dedicate themselves most completely to providing the toil that the Master turns into his indulgence) things that never arrive. Such requires child-like faith in a brutal order... Education to bare literacy might even be excessive for a plantation slave, but bare literacy -- enough to allow one to be a factory laborer or cannon fodder in aggressive wars. Anyone who runs afoul of the amoral exploitation by showing the dichotomy between demands and promises will be murdered.
...We are at the stage of economic development in which the production of more material objects is unlikely to satisfy people except those with a 'hoarder' mentality. Except for fuels and food, most of our productivity in manufactured goods seems to go to replacement of worn, broken, or obsolete goods. Nobody is excited about getting more underwear, and most people excited about the newest electronic gadget are suckers. People can work, but much of the work now seems dedicated to paying off rentiers who make easy money by exploiting a scarcity that the rentiers maintain. Here's looking to you, President Trump!
The people who praise selfless toil of the common man yet exploit that for their own extreme indulgence are the basest of hypocrites.