It is not obvious that the internet is inherently dangerous for kids. See studies about this subject.

A great comparison:

try to “clean up” the internet to make sure everywhere was perfectly safe for everyone was the equivalent of raising children at Disneyland, and then on their 18th birthday, releasing them into the real world outside the gates, and expecting them to be able to survive.

Instead, we just need to “talk to your children honestly not just about what they might see online, but about their own bodies.

About the current ideas that seems to be good:

Debates around the pros and cons of these various solutions get into what freedom and privacy we’re willing to sacrifice for the sake of keeping kids from seeing adult content.
Does censorship alone ensure that kids will grow up to be sexually healthy adults?

Instead

As the article notes, educating children helps to inoculate them against whatever nonsense they might encounter online.