This should not be that hard. How about: - At point of purchase for a consumer device that can view Internet content, the salesperson (or web store) is required to ask if the device is for an underage child, in which case either the device is placed in "child safe" mode, or printed instructions are directly provided giving instructions to do such. The child protection settings should be linked to the parent's e-mail…
These sorts of features shouldn’t be mandatory, if parents want to lock down their kids’ devices they can go find and buy the ones that support that sort of thing. Or install aftermarket software. This is already the way it works. Also underage people could go to the store and lie about their age, so if we want this plan to be effective we’d need to ID everybody buying electronics, which would be annoying. It also is…
Obviously porn blocking should just be something parents should concern themselves with, and parents alone. Software and device vendors already provide all the necessary tools.