CT tires wear according to your own driving style.
If you ride a lot of twisties, the sides wear down more. If you ride the super slab, the center wears more. All-in-all though, you get multiple lifetimes over a motorcycle tire no matter how you ride.
I ride a mixture of both. My last CT on my 109 had 25,000 + miles on it and it still had another season worth of tread on it.
Just as a comparison, that bike tire gave me 4400 miles and threads were showing.
I've had no issues with the CT.

Maybe others can add more feedback.