The story is confusing in that they don't link to the actual project, which you can only get to by visiting the Github link, then going to the developer's projects page, then finding nano11.
I'm not sure, but I think nano11 is even more aggressive than tiny11builder's "tiny11coremaker.ps1":
"The resulting OS is not serviceable. This means you cannot add languages, drivers, or features, and you will not receive Windows Updates. It is intended only for testing, development, or embedded use in VMs where a minimal, static environment is required."
I'm not sure, but I think nano11 is even more aggressive than tiny11builder's "tiny11coremaker.ps1":
https://github.com/ntdevlabs/nano11