A better way would be to require all browser makers or OS makers add an easy to use child protection filter that can be easily enabled by parents. That's still

A better way would be to require all browser makers or OS makers add an easy to use child protection filter that can be easily enabled by parents. That's still a bad idea, unless we want to criminalize a whole lot of existing software. Suppose I have a Python script that parses HTML from a URL and downloads all the images it finds. Would that be illegal to distribute unless I hook into the OS-level filters? For that matter, what about Python itself?