Comment by esafak

21 hours ago

The customers for certs are technical people capable of seeing past that, so let them change it every day if they want.

No, the customers for commercial certs are mid-level managers, who believe paying thousands of dollars for something you can also get for free means you are getting a higher quality - or in this case even believe it is "more secure". Rebranding will absolutely work for that, especially when you market your untrusted root as "ISO-certified private dedicated cloud-based PKI-as-a-Service".

The technical people will just install a certbot and use the default Let's Encrypt config.