I am with the OP, I think a lot of suggestions come from people with no quantitate intuition. Switching shower tech will not move the needle in any useful way.

I am with the OP, I think a lot of suggestions come from people with no quantitate intuition. Switching shower tech will not move the needle in any useful way. In fact, think it will be harmful in some ways as it further acclimates a sloppy non-quantitate approach to resource efficiency.