Pretty easy solution to that, don’t let your kid have access to youtube without observing what they are watching. If a parent isn’t willing to learn how to setup parental controls and/or web filtering and take the time to observe what their child is consuming then it shouldn’t be shoved onto the government and made a problem for everyone else.
We already have multiple solutions for blocking children from websites that parents don’t want them to access and the companies providing those situations maintain their own databases of different types of content tagged so that parents can have some control over what is blocked and what is not. This stuff has existed since the 90s it’s nothing new. It requires parents taking the initiative though and really when we get down to it this is another, "but think of the children, " sort of situation where they are using child safety as cover for making it easier to collect biometric data of people online.
Or, ya know, make parents take responsibility for their own children and monitor what they are doing online. If you don’t want your kids seeing or participating in things online then don’t give them unfettered access to smart phones and computers!
You very well may already know this, but in case you don’t, us humans aren’t generally good at picturing true random. We tend to assume an even distribution is random where with true random, finding long strings of repeating numbers is expected to happen.
You are correct and I’m a little upset at myself that I left out the fact that educating parents should be something we put money and effort into as well.