YouGov has put out some polling on Australians' reactions to the teen social media ban a month in that shows that people broadly believe it is having a positive effects on cyberbullying, exposure to harm content and mental health:

https://yougov.com/articles/54334-new-yougov-research-shows-cautious-optimism-as-australians-assess-impact-of-under-16-social-media-ban

@camwilson belief is a powerful drug.
@camwilson I wonder if the parents believe it is working because they were told to believe that
@camwilson Well I guess it worked for its real purpose - to make people believe something was done. Doesn't matter that most under-16s are evading it!