Obviously, this is for internal environments under one’s control. I found this bit amusing and wondered if the author had some kind of meta message here:
This should be on top since the title can be confusing. I thought someone found a vulnerability but it's indeed just a script to generate a certificate without having to care which common name or alternative names you give it.
> Issuer: C = US, ST = GA, L = Atlanta, OU = Junk