What is gods name is this…no one, not even Windows users are going to be for this, much less autists that use Linux and install everything on a terminal while customizing their OS…if you are listening to this post right now, NO AGE VERIFICATION BY OS. Make age verification the responsiblity of the website. Theres even a way to do it while protecting privacy Im sure through crytography.

https://linuxiac.com/federal-bill-would-bring-os-level-age-verification-to-the-entire-us/