I was under the impression that we can't really know the exact spelling of the Hebrew God's name, since the way they wrote it was abbreviated for any manuscripts that we have found. And the ancient Hebrew language did not have the letter "J", so any name that uses that letter in English is 'wrong' in the same way that "Jehovah" is wrong. Is any of this incorrect?
I would think that there is a bigger concern with promoting the idea of a God who wants a personal relationship with us, but doesn't seem to care if we get His name right. Or maybe that's the point: God is God, the name doesn't really matter because He knows what you mean when you speak of Him.