Reddit sent me invitations to their IPO to my "deleted" accounts! That's a GDPR violation!

https://lemmy.world/post/12521977

Reddit sent me invitations to their IPO to my "deleted" accounts! That's a GDPR violation! - Lemmy.World

Any pointers on how to report them?

Excuse my ignorance but how is this a violation?
GDPR requires deleting data if you ask them to delete data. How did they get your email address if they supposedly deleted your information?
Do they even have a presence in Europe?