The world can no longer trust American tech. If that sounds dramatic, take a step back and consider the facts.
The United States is a nation in the thrall of authoritarianism, owned and operated almost completely by a far-right doomsday cult intent on betraying every alliance, every contract, every promise
You’re right in pointing out the problems with decentralized message synchronization, though I was only trying to point out the fact that no known technology is capable of real-time messaging unless both parties are online ;)