Read the under 16 ban in Australia as ideally their presence on certain social media platforms as being against the law. Parents though very much like the ones that let their under age kids drive on roads despite illegal, will trust those in their judgement will probably be safe, while being able to enforce restrictions of their child if they feel it's robbing their kid of time, self respect or other.

The difference with the ban is unlike back in 2019 when social media were ignoring requests (too hard etc) to remove some of the bad algorithms that were targeting and funnelling teenagers into dark topic areas ... with the change it's on social media to ... well remove targeting algorithms that focus on the 10 to 14 year olds for a start ... else if anything bad outcomes happens - the law I'd imagine will throw the book at them. It also works the other way as well, parents who knowingly permitted their child to engage, won't be rushing off to their lawyers to sue whomever.

The main issue with the ban has been where some people would like to use the under 16 ban as an excuse to do age verification by the most intrusive means as possible - but I could only imagine it only benefits platforms scraping as much PII as they can get.