Cookie has a bad reputation for being used to track users.
these questions are good for our saturday talk hahahahhahahaha nostr:npub1ghzp7g0peac4lfkeegst3cqz546dk7a5n6twazvrf3nd432yddaqa3qtwq be prepared!
Discussion
it may comes from the embed tweet rendering function as I say before. I will take sometime to investigate it later. We didn't wrote codes to try tracking users and it is all open source.