[taeric]

I want to give kudos to the OP for seeing that infrastructure matters. The fanciest syphon system in the world doesn't matter if you don't have a way to get water to and from it. (For the toilette example.)

I'm seeing similar with so many people hyping solar power. People are fawning at how useful today's panels are. And they really are. But, that is largely only true if you have all of the other technology that we have to use the power it can generate. And this cuts in multiple amusing ways. Without electric lights, a lot of the power you'd have at home would be wasted. And, without modern electric lights, far more of it is lost in non-light generation than what we see today. (Lights are particularly interesting to look at. The amount of energy used by lights had such an extreme drop off that it is almost hard to really grapple with.)

Directly to your post, fashion and language may seem more subjective, but I question that. Obviously parts of it are driven less by utility and more from some other factors. But that is almost certainly true for technology, as well. Is why many places hold out from technology for longer than others, as an easy example.