SFSV650
The Slowest Sprotbike™
234,094 injuries in and around the bathtub; do we ban showers or demand folks who shower wear safety gear?
Actually there are a lot of restrictions on what you can and can't do laying out kitchens, bathrooms and other wet spaces under the California Building Code, occupational health and safety, the Americans with Disabilities Act, OSHPD, etc, often with good reason, much of it to prevent slip and fall injuries which are costly to individuals, property owners, insurers and to social safety nets which (sometimes) pick up the slack.
Some folks pure, unadulterated libertarianism goes out the window when they get hurt and need to get everything put back together again.