haha this argument is never ending, i drove on winter tires last winter, they were great, im on all seasons this year commuting everyday and got around fine. You have to use extra precaution and etc, etc. This argument will never end. Winter tires are great but all seasons also "work" as mark said if you drive for conditions.
( I got up bow trail at coach hill on pure ice that day before they closed it down, yes it was scary but possible)
I dont think anyone would argue that winters are better but at the end of the day know whats on your vehicle and drive for conditions. Just dont have on summer high performance tires on like the BMW roadster did next to me that same day hahaha.