Plating the fixtures we touch, door handles and so on, with copper or silver might be an effective, useful and easy broad spectrum protective measure, too.
Much less "new and shiny" there, makes it a much harder sell.
Expensive and subject to keeping the fixtures clean (to ensure sufficient surface area for anti microbial action) where far UVC LED bulbs can be mass manufactured (theoretically).
Much less "new and shiny" there, makes it a much harder sell.