You seem to be talking mainly in part (a) about the pseudo-basilisk rather than the basilisk itself. I suspect that most people who are vulnerable to the pseudo-basilisk are either mentally ill or vulnerable to having similar issues simply when thinking about the long-term implications of the second law of thermodynamics or the like. If one is strongly vulnerable to that sort of disturbing idea then between known laws of physics and nasty low probability claims made by some major religions, most basiliking of this sort is already well-covered.
It might mollify people who disagree with the current implicit policy, and make discussion about the policy easier. Here's one option:
One requirement would be that the policy be no more and no less vague than needed for safety.
Discuss.