This is exactly an idea (plus reviews of bathrooms and notes) that I had prior to COVID that friends and co-workers poo-pooed (yup) because in their opinion, who even uses public restrooms that often. My dad still kicks himself for scoffing at my comments as a child of the "vitamin generation" and at the beginning of the bottled water boom, asking why they don't just put the vitamins in the water. I wouldn't call myself the Elon Musk of garbage ideas, but...
