A system that can be made to admit people can be made to exclude them again. The alternative is to build the admitting into the substrate, where no one can reach it.
Each stop is a page in the graph. The order is an argument — but every one of them is also a door into the rest of it, so you can leave the path wherever it stops being useful.
The Premium framework predates the encyclical that confirms it. That is what independent convergence from different methodological traditions looks like — and it is exactly what Wilson's thesis predicts when two disciplines are describing the same underlying structure.