I don't see the source code, where did you find that?

[Edit] Or are you implying that readers should direct an LLM at the entire article and expect an equivalent tool to be produced

Haha, yes, the latter. The textual description is the critical source code. Here, it tells you that you:

* compare pre-LLM and post-LLM writing using 2023 as your index year

* create some 100+ fixed rules rather than a sophisticated model

* use a fixed threshold to kill