It is hard to advocate for the value of decentralized systems without sounding like a hand-waving conspiracy theorist. The benefits of decentralization do come at a cost of efficiency and throughput and they are often harder to quantify or justify unless one takes a harder look at the fully loaded cost of centralization. As an example, consider the fact that MacDonald’s is by far the most prolific restaurant in the w…
I think the problem with this isn't that you come across as hand-waving. The problem with this line of argument is that there's no developed case for why anyone should care or value this particular presupposed diversity being lost.
One could argue that a profuse diversity was lost when screws, nuts, and bolts converged on a set of broadly standardized sizes. Yet few seem to lament this. Why is this different in important ways from bananas? Which is bitcoin more like?