bounce houses aren’t really a necessary thing for the risk. We aren’t banning “everything” just bounce houses which are used only a lil. That’s actually what bans are perfect for - small, niche items that aren’t popular. Bans become ineffective if what you’re banning is already popular, eg alcohol. Alcohol is also something you can make at home. You can’t make a bounce house at home. A ban is an appropriate suggestion here.
hierarchy of controls. The very things that make bounce houses appealing are what make them dangerous and we rely on people to make them safe, notoriously unsafe thing in the hierarchy of controls.