Let's not reduce everything to the least common denominator lest we end up like (formerly) Oregon where you couldn't pump your own gas because it was "dangerous" for the lay person.
This also means that if someone chooses to use a straight razor it is immediate cause for suspicion of their reasons (e.g. it might be an aesthetic preference rather than dispassionately choosing the best tool for the job) and if they advise other people to use that tool, we can call that out as bad advice.
So we don't need to make Nginx illegal, or make that default illegal, but we can certainly point out that it's a foolish default when it offers no extra power to anyone, but offers significant risk to many.