I think it's a big stretch to say leaving the ability for a website to vibrate your phone out of the web standard is "morally reprehensible". Nor am I suggestin

I think it's a big stretch to say leaving the ability for a website to vibrate your phone out of the web standard is "morally reprehensible". Nor am I suggesting users are too stupid or senile: They just care less about the plumbing than the plumbers do. The problem is when all your user experience studies grab folks from tech communities, you start to think people can or want to cope with your constantly evolving stack of features, when they probably just want to find out how to get to a restaurant that day.