The makers of dedicated winter tires are well aware that those tires will experience most of their use on dry roads with many of those miles at temperatures well above freezing, so a day of warmish weather isn't going to destroy them.
Dedicated winters really are remarkably good for the few days out of the year that you actually need them.
Wanna transform an Accord into something close to a Subaru in bad winter conditions?
Put a set of Bridgestone Blizzaks on it. The snow and ice performance is amazing.
Any other time, these are no more than squirmy, squishy tires and most of your winter drive time will be spent putting up with their dry road shortcomings.
This is the reason that I prefer good AS tires all year round.
The compromises involved with using dedicated winter tires are just too great for most of the miles driven.
What if your winter tires enable your to avoid an accident that you might have gotten into on AS tires?
What if your winter tires cause you to have a dry road accident that you would have avoided with the better handling and braking a decent AS tire gives?