Earlier quoted context omitted.
Thats why I write a blog post to myself ;) https://daurnimator.com/post/115624714644/howto-generate-a-s...
Your blog post was about creating a self-signed TLS cert. mkcert is more than that, it creates the root CA first before creating self-signed certs and trusting them.
Indeed; but I was replying with my solution to the general problem of
> remember openssl commands you use twice a year