Lower pace layers are often very hard to change.

But every so often an opportunity pops up when things have been thrown into chaos by a new disruptive force that scrambles cost structures, and invalidates the accumulated knowhow of the existing system.

In those rare situations, there are sometimes valid changes in lower pace layers.

If you can successfully change a lower pace layer, tons of things can change.

You get almost unbelievable leverage.

The trick is being in such a chaotic situation, and then identifying the seed crystal of a new approach in that swirling situation.