Great post from The Fediverse Report about Bluesky complying with requests from the Turkish government and how a labeling service can be used to hide accounts:

Such a moderation layer allows Bluesky (the app) to apply moderation decisions that are only experienced by people currently geolocated in a specific country, more on that below. A few days ago, the Turkish moderation labeler became active, and the labeler started hiding accounts, making the accounts invisible for people in Turkey.