For a substantial hindrance and costly compliance to be introduced then the burden of proof is on those trying to apply new law. The government has not done this.
If there is a 'mental health epidemic' caused by social media it really isn't showing.
https://www.aihw.gov.au/reports/children-youth/mental-illnes...
Australia's Prime Minister did an interview where he was asked 'What would you do if you could pass one law' . His response was 'ban social media' because people are so mean on it.