The distinction I’m talking about is marking the feature milestone for deployment but not counting the feature as done until the toggle is dispensed with. Either removed, or declared a configuration we intend to keep indefinitely.

Admittedly, there’s still a gap there where a toggle may be needed until the end of an initiative (an Epic in Scrum terms) but that’s going to be at least an order of magnitude, and likely 2 orders, fewer toggles to deal with.

When the order of magnitude changes so does the solution.