Besides the fact: Israel is trustworthy, how many reasons NATO trust Israel to have the a-bomb (they don't have, see detail) but not Iran?

1, Recently trending Iran cannot have a nuclear bomb, how many reasons why Iran cannot be allowed?

2, Israel has nuclear power, built by French, but not centrifuge to enrich weapon plutonium (and in fact no atom bomb, not even given by NATO) but how many reasons that NATO trust Israel to have an atom bomb?

Besides the fact: Israel is trustworthy, how many reasons NATO trust Israel to have the a-bomb (they don't have, see detail) but not Iran?
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