Ozone will start attacking your tire right from the moment it's molded, reducing it's ability to grip the road. I'd rather have my tires in the best possible shape when they're fitted to my bike. I know the throttle twists both ways and in 30 years of riding I've never slid off a bike because of the mold release agent on a new tire. Never even had a new tire step out on me. Sure, if they could make a release agent that wasn't slippery I'd pay a little extra for it.
