No, no we don't. We can decide on a case-by-case
basis, by discussion
and consensus among the editors of a given article, the same way we do
for *every other editorial decision*...
We don't decide every decision on a case by case basis, we have policy
to determine more decisions. The exact details of how to apply a
policy to a given situation is determined on a case by case basis, but
there is usually a policy to apply.
If you add show/hide tags to [[Muhammad]], how long do you think it
will take for the edit war to start on [[Clitoris]]? I'd give it about