Those in the Imperial Core will never understand that what they consider unbearable hardship and boredom is actually a life of luxury that the vast majority of people on Earth cannot even imagine.
The international division of labor is 1000x more important and impactful than the domestic one.
Honestly, they do have a higher flow rate, but I've cut down the amount of time I spend in the shower thanks to mine by enough that it more than offsets the increased water usage. Also I live in an area where groundwater is our primary source, and the aquifer levels are rising, rather than depleting.
There are low-flow waterfall style ones, but you're sacrificing water pressure for area.