The help center page about site scope includes the phrase
Some kinds of questions should not be asked here:
A little while ago it was suggested (and further discussed) that the use of "should" implies that the following items are to be interpreted as soft guidelines, not rules, i.e. that exceptions are not uncommon. But I believe that was not the intent of the policy. My understanding is that the types of questions listed on that page are never on topic on this site. Is that accurate?
If so, should we change the wording of that part of the help center, perhaps to something like
Some kinds of questions are inappropriate for this site:
or
Some kinds of questions must not be asked here:
to reduce the chance of confusion?