That's a lot of people and NGOs doing good work in places that need it, and for whom commercial SSL/TLS certs may be prohibitively expensive.
Screenshot from the new Subscriber Agreement, shared to me by themadhatter (npub1a0g…mzku), whom alerted me to this change.
https://linuxiac.com/lets-encrypt-certificate-rules-now-include-u-s-sanctions-warranties/