I'm no flyweight at 12.5 stone and I have NEVER pinched clinchers at 30 psi. At 25 yes, but never at 30. Sounds like the main threat is flint slicing the casing rather than pinch flats anyway.
It's just my opinion, but I'd rather have grip and slightly higher risk of punctures, than no grip.
It's just my opinion, but I'd rather have grip and slightly higher risk of punctures, than no grip.