This type of centralization breeds authoritarianism. See also the Iran protests. There’s too many single points of failure in technology. These systems become sources of oppression inevitably.
How do we build a resilient system that doesn’t rely on single platforms?
Functioning antitrust is really all it takes. The last significant US antitrust action was on AT&T in 1982.
> How do we build a resilient system that doesn’t rely on single platforms?
by making sure that compatibility is enshrined into law, so that competition occurs, rather than walled gardens.
It has to start at the top - gov't has to mandate it.