I would request to add the link to the video below to understand how cookiecutter works - it even talks about cruft which I think would benefit the users of cookiecutter.

https://www.youtube.com/watch?v=X8kXs5kthKw

And here are the slides from the video for those who prefer reading - https://docs.google.com/presentation/d/1r3oEmtbyYWvqZrn5y6cdbtIzaahhvAV0cKIqveMMMT8/edit#slide=id.g25f6af9dd6_0_0