When the entire society and economy are being digitized AND that digitisation is controlled and passes through a handful of choke points its an invitation to major disaster.
It is risk management 101, never put all your digital eggs in one (or even a few) baskets.
The love affair with oligopoly, cornered markets and power concentration (which creates abnormal returns for a select few) is priming the rest of us for major disasters.
As a rule of thumb there should be at least ten alternatives in any diversified set of critical infrastructure service providers, all of them instantly replaceable / forced to provide interoperability...
Some truths will hit you in the face again and again until you acknowledge the nature of reality.