[remram]

That doesn't seem to be the case:

> Let’s Encrypt is a CA.

> We recommend that most people with shell access use the Certbot ACME client.

[jacquesm]

I don't understand you. You say it doesn't seem to be the case and then quote the exact part that proves that it does.

[ylyn]

I (native English) first interpreted your comment as saying that "letsencrypt" is promoted. The other person probably read it the same way.