This is a legit solution if your requirements allow it. I'd advise you to not be too bullish on the universality of this principle of yours. Unfortunately real

This is a legit solution if your requirements allow it. I'd advise you to not be too bullish on the universality of this principle of yours. Unfortunately real life is often more complicated than the scenario you describe and I wouldn't describe the solutions smart people came up with (various consensus algorithms or convergent replicated data types) as a waste of time.