People apparently forget that if something very bad happens, whether it is a global war or a major natural disaster, we can expect that there will be serious disruptions in communication or, better said, an interruption of the internet. If that happens, the things that will be most valuable will be food, drinking water, and medicine, and of course, means of self-defense.
Of course, we should not be pessimistic, just realistic and prepare in time for every possible scenario.
I think that Internet provision for the smooth and efficient functional performance of the blockchain network has been mastered to the heights where an individual can singlehandedly provide their own network without any reliance on big internet providers in the region.
Just like how starlinks made personal internet possible, so others have done and the fears of having to lose every Bitcoin or crypto currency to loss of Internet service at a very demanding time is quite bleak.