It's a lot easier to dehumanize a person when you are sitting behind the screen of Twitter / Instagram / UAV (unmanned air vehicle), pushing buttons...
When you rob someone of their humanity, then you too lose your humanity, making us all robots that can be disposed of anytime...
When have we not been seen as disposable. The common man has been reduced to just a cog in the machine, with the exceptions being our concerted fights for what little protections we have.
The modern person in a developed country seems to me more human than ever.
Think about the pin makers at the beginning of John Adams' "The Wealth of Nations." Atomation of meanieal tasks like these means the pin makers are replaced by educated generalists (at least to some extent) who operate and maintain machines.
When you rob someone of their humanity, then you too lose your humanity, making us all robots that can be disposed of anytime...