Yes, not celebrating birthdays does sound like a nightmare scenario. But this is what would happen if this was a reality.
Credits: - Me for all coding, some content used in the cartoon (like the thumbnail), and the outro - Skybreak and Keepsake for Comet, the song used in this cartoon's outro (I found the song at ncs.io) - Google Images for the picture of Lemmy - Remove.bg for helping me remove the background of the picture of Lemmy (I think) - Scratch for the Scratch Cat and bedroom background - Birthdays for being birthdays :)