I think the calculus changes when more than one person eating is involved, especially when the ratio skews more eating than washing
It's also great because I don't need extra space for a drying rack.
More useful than the washing machine?
As a married person with family we are doing laundry all the time anyway and so having it in the house is an advantage.
I suspect it might be more water efficient and energy efficient to do this instead of repeatedly heating up water, which takes 30s or so and wastes a lot of cold water / hot water that gets left to cool down in the pipes.
This list. Where are you going to cut your sweet potatoes? On a plate? How is this list of equipment sufficient to prepare and cook meals?