TL;DR: The IDs were used in age-related appeals. If someone's account was banned for being too young they have to submit an ID as part of the appeal. Appeals take time to process and review.
Discord has 200,000,000 users and age verification happens a lot due to the number of young users and different countries.
GDPR is no joke and storing people’s actual ID card photos is a gigantic liability. Companies treat that stuff like it’s toxic waste, they want to get rid of it as fast as possible and permanently.
TL;DR: The IDs were used in age-related appeals. If someone's account was banned for being too young they have to submit an ID as part of the appeal. Appeals take time to process and review.
Discord has 200,000,000 users and age verification happens a lot due to the number of young users and different countries.