I think the main rage people get here is when they get data on their phone and so can make a much more of a "like-for-like" comparison between various means of

I think the main rage people get here is when they get data on their phone and so can make a much more of a "like-for-like" comparison between various means of delivering 132 characters delivered to/from a mobile device. I mean of the user experience, not of the very different backend networks in place.