I've had Subies since 1998, and I think there was one time when I made the effort to chip away at the ice before opening the door - because the freezing rain left ice approx 1/4" thick on the whole side of the car.
Other than that one time, I've never had an issue. Except when you roll down the passenger side window, and the ice stays put, and then falls into the car, into your wife's lap...that aint pretty.