Every great offence eventually gets solved by its own geometry

Spacing schemes work until the league builds defenders shaped specifically to break them, which takes about three seasons.

A basketball offence is a set of distances. Five players, four of whom are mostly deciding how far to stand from the ball and from each other, and the whole thing lives or dies on whether those distances stretch a defence past what two helping defenders can cover.

The problem is that distances are legible. Once a scheme wins, every opposing staff owns the same video, and they are not trying to stop the offence in general. They are trying to break one geometric assumption inside it.

Take the high pick and roll with three shooters spaced wide. It works because the low defender has to choose between the roller at the rim and a shooter in the corner, and the pass between those two options is short and fast. So defences stopped guarding the corner honestly, sent the low man early, and dared the offence to move the ball one rotation further out. Which is a longer pass. Longer passes get stolen.

Then the counter to the counter. Put the fifth man in the short corner instead of the deep one, shorten the pass again, and now you need a big who can catch on the move and finish over a rotating defender. So teams went and bought those bigs, and the market price for a tall passer who can also shoot went up accordingly, because the roster follows the geometry rather than the other way round.

That loop runs faster than people expect. Roughly three years from novel to standard to solved. It is why I do not really believe in anyone's permanent offensive identity. What a team owns is a two-year lead on a spacing idea, plus personnel willing to abandon it.

The dynastic version is worse, because winning makes a scheme rigid. You cannot easily tell a group that just won a title that the thing they won it with is being taken away. There is sunk cost in muscle memory. The team keeps running the action that made it famous, gets a slightly worse shot out of it each season, and calls the decline aging.

Some of it is aging. Not all of it. Sometimes a 32-year-old is not slower, he is standing in a spot the league has learned to ignore, and nobody in the building wants to be the one who says so.