With that kind of decisions, always assume that there is a hidden agenda.
In that case, i could imagine for example that this can be something done to ease a further AI feature. it is almost impossible to train an AI for content with individual customization. So if Y is blocked to see your content, that is impossible to have AI trained on your tweets and still be sure that Y can't get the content of your tweets.
In that case, i could imagine for example that this can be something done to ease a further AI feature. it is almost impossible to train an AI for content with individual customization. So if Y is blocked to see your content, that is impossible to have AI trained on your tweets and still be sure that Y can't get the content of your tweets.