That's why I specifically added my fleet in the OP; knowing that many would be naysayers in regard to mystical properties of a "properly" brewed pot of coffee. 767-300 could be called representative of "worst-case" as it is one of the oldest coffee-systems in our combined fleet, with all the features that a true aficionado would find abhorrent.

And yet, I found it quite good.

Keep in mind, as SpecialTracking and Intrepid alluded to: all our competitors have similar systems, so the difference in perceived quality will still be palpable to the customers.

I find water from a garden hose pretty refreshing when I'm mowing the lawn in high heat and humidity.

And, our perception of "clean" is truly clouded by our "First-world" surroundings. "Filtered" water: running water that either came from a lake or well (that means it was touching dirt, rocks, and mud, and 'critter crud" from lakes) through a piece of paper (made from mashed-up tree fiber, treated with acids in the paper-making process, and I'm fairly certain, still some residual dirt), and then perhaps running it through a charcoal filter....which is technically just a piece of rock or dirt, depending on your perspective.

People spend a lot of money on bottled water because they perceive it as "cleaner." But is water that spent months in a container made of aromatic hydrocarbons (that are at least partially water-soluble) as "clean" as most would hope?

Yeah, hopefully the next-gen airliner will have a better water system and coffee maker. But for now, I mark this as an improvement.