Good Coffee?

X: Anyway this is what I'm thinking, "good coffee" is a fixed standard right? there are certain conditions that should be met, after which it is called "good coffee". That being the case, it would be trivial for a machine to make "good coffee" given that the variables are all known and reproducible.

Me: You clearly know fuckall about coffee. :P There can't be a fixed standard - that's like asking for good violin music. You could get Hendrix or Mae, or Paganini, reinterpreted variously... and it's completely subjective. But there are statistical distributions to population preferences of course, and so we can observe that this or that flavour profile is more or less popular in this or that locality.