Around here (Newfouundland), our winters are quite harsh, though mild. That results in a lot of freezing rain, sleet and slush, in addition to the snow. Because of this, they use a lot of salt (both granules and brine) in the city to keep the roads as ice-free as possible. This can be murder on alloys, especially when they get little chips from sand (used on roads outside the city) and the salt gets inside and corrodes the aluminum. In fact many people take off their summer alloys and buy cheap, black steel rims to use in the winter to protect their alloys, which I did for the 4 banger car I last had. Its very common to see cars and trucks here ripping around town in those black steelies all winter long.
I've been running the 16" steel wheels until now, as I have a set of moto metals
on the way. At some point during the winter there's a good chance I"ll probably take the motos off and put the old steelies back on with winter tires. Although, I'll have Duratracs on the motos, so I'll probably see how they handle our lovely winters for a little while, anyways.
I've only had the truck for 2 winters, and already my steelies are starting to get little rust spots. Pretty corrosive environment, to say the least.
So yeah, it couldn't hurt to run your OEMs during the winter, in order to protect the Addicts, if you don't mind possibly corroding your OEMS. Alternatively, you could sell the OEMs, get cheaper steelies and make a few bucks in the process.