If someone professed to believe in Zeus/Jupiter, Hera/Juno, Apollo and all the rest,

[sarge43]

14. And that accomplished what?

Behavior yes. Actions can and do affect others.

If an individual believes a super being casts lighting bolts, fine. If on the other, that person is in a class room teaching that as a fact, then yes, that demands hard questions.

Let's say through questioning and inquiry a person ceases to believe in a super being, now what? Many people, perhaps the majority, need a belief system. You can called it a crutch, but taking a crutch away from a permanently lame person accomplishes little except making life more difficult for him.

Questioning spiritual beliefs is a classic slippery slope. For starters, they are not absolutes; there's no gold standard, no way to quantify them, in short whose beliefs or lack thereof is the correct one? Having no bench mark it is much too easy for whoever has the loudest voice, most votes or biggest guns to have the final say.