You're making some assumptions there. It may also be that they have tried to diagnose why, haven't managed to find anything in an hour or so, and feel that thei

You're making some assumptions there. It may also be that they have tried to diagnose why, haven't managed to find anything in an hour or so, and feel that their time could probably be more productively used, post browser switch, elsewhere. (That's the case for me with FF at the moment, anyway.)