Hard comounds are whats needed and the DOT race tires just don't offer them.
I don't believe this is 100% true. Bridgestone for example offers a
Type 2 compound which is pretty hard.
Funny, but this whole tire thing should really be just focused on safety. If Racing Only tires do not de-lam as destructively as Street tires, then that should be what matters. If some street ZR's don't destructively come apart, then that is important as well. There are some tires and some compounds though that should be regarded as unsafe for high speed LSR use, regardless of tire spin or lack thereof. To me, knowing that upfront before investing in Racing tires for the year is crucial information.
I've had a tire come apart on me at the track during high speed. It's not pretty. It almost killed me and a couple riders around me.
While it is very important that experienced High Speed LSR racers like Noonan, Amo and others share their real time experiences with the rest of us, let's not forget that collectively we all need to be on the same page for our own safety, and those around us.
Personally, I wanted to see for myself what worked and what didn't. Wrong or right, I did it. I took a lot of heat over that, a lot of embarrassment as well. MC tech crawled up my backside several times. In the end, they were right. It was un-needed. I was too hard on some tires when I should have exhibited more control as a racer instead of being a cowboy. Now I still won't ever go back to Michelin Slicks on the Rear for 200 speeds, because I just don't trust the tire after it shredded on one pass. But I respect the direction of the MC Committee and Techs to keep us as safe as they can. That is what counts. That we stay safe and come to mutual consensus together.