So you'll be able to tell us what the ice accretion limits on the airframe/Torque limits in icing conditions are then.
It's not just the rotor icing up that is the problem and just because you can control the shedding from the rotors doesn't mean you can fly safely in those conditions.
I know of 2 occasions (at least) where a Sea King was only saved by breaking cloud due to airframe ice accumulation - the rotor shedding was a minor irritation compared to doubling the AUM of the aircraft with ice.
Will they be able to fly in freezing rain or drizzle?????????? Don't think so for the same reasons.