Also:
🚫 Some instances have moderation and content filtering/blocking policies: admin(s) decide for everyone to block content (whole instances, people, or keywords). Choices can be discussed/made transparent.
Some find this makes them feel safer 🤗
⚙️ One can filter themselves ("filters" in settings ⚙️ menu), and decide, without having to disclose it, a list of keywords to remove from their timelines.
✋ One can mute or block people.
Some find this empowers them and give them more autonomy 💪