That's just the marketing levers. Turing *money* was no faster than Pascal at launch.
The 2080 offered 1080Ti performance for 1080Ti money. We got 60% performance per dollar over *two* gens because Turing gave us nothing.
This, it's also why at the 3000 series launch Jenson called out 1080ti owners specifically saying the 3000 series was finally 'worth' upgrading to.