When we started inventing books, the ancients were worried we wouldn’t remember anything anymore.
People thought it would rot our brains when we started listening to the radio.
People said that it would rot our brains when we started watching TV.
Video games are still claimed to cause violence in children with little scientific backing.
Whenever there is a new form of media, people always say it will make people dumber. It can be hard to see it now, but I am optimistic that eventually, we will adapt to social media. The most significant factor is knowing the algorithms and teaching a healthy way to relate to them, and it is a first-world abundance problem.