How come github.blog doesn't have the "GitHub, Inc." organization as part of its certificate, the way github.com does? $ openssl s_client -showcerts -connect

How come github.blog doesn't have the "GitHub, Inc." organization as part of its certificate, the way github.com does? $ openssl s_client -showcerts -connect github.blog:443 CONNECTED(00000006) depth=2 C = US, O = Internet Security Research Group, CN = ISRG Root X1 verify return:1 depth=1 C = US, O = Let's Encrypt, CN = R3 verify return:1 depth=0 CN = github.blog verify return:1 --- Certificate chain 0 s:CN = github.blog i:C = US, O = Let's Encrypt, CN = R3 a:PKEY: id-ecPublicKey, 256 (bit); sigalg: RSA-SHA256 v:NotBefore: Feb 3 17:19:36 2023 GMT; NotAfter: May 4 17:19:35 2023 GMT ...