How is it rude? Is it any worse than someone blowing their nose constantly? Is it any different than someone coughing and hacking next to you? No. Poor baby needs a diaper change, there is nowhere to do it - but the FLOOR (disgusting) - so guess what? It's the seat...with a changing pad, of course. Many of us moms have mastered, yes, mastered, the skill of changing quickly, neatly, and quietly - many times it's in my lap. I certainly don't sling poop or anything, and we use covers and wipes generously!