It always amuses me whenever the crux of an argument is "too much X is bad", where the definition of "too much" is assumed to be commonly accepted, but when pre

It always amuses me whenever the crux of an argument is "too much X is bad", where the definition of "too much" is assumed to be commonly accepted, but when pressed for a definition it decays to precisely that amount for which X is bad (i.e. a tautological argument).