Mark Zuckerberg puts a sticker over his laptop camera and microphone.

1. In practice the same system can be used for banning people from social media and communications. Shadow bans etc. Other use in future may be social score.
2. What's legal today, may be not legal tomorrow. People will be self censoring.
3. This gives more leverage for older people over young people, let's not pretend: people are selfish.