Outsourcing security has normalized the market for violence and foreign mercenaries offer distinct advantages over state bureaucracies.
The need for lethal skill sets, technologies, and warrior organizations will remain. However, the outdated nation-state model is crumbling and, with it, so is the standing military bureaucracy.
This goes beyond mere deniability or augmentation.
The rise of the market-state calls for a new military organizational model. Some of what the future will look like is illustrated in this video by Caspian Report.