Venus, I can see what you're saying, but if you read the great patristic scholars and churchmen (both Jewish and Christian), religion isn't painted with your brush. How would you define "supernatural" for example? Is God supernatural? Not if he exists. How about dark matter? Neither can be seen, felt or measured.
How about miracles? How difficult would it be to change water into wine if one understood and had mastery over string dynamics in science? Could advanced beings use it to create worlds, clad beings with spirit, then matter? Part the Red Sea? If God exists, and if he's revealed himself to us as the scriptures state, it would stand to reason that He would be a master scientist. And according to Genesis, God not only is plural ("we," "us"), there also appears to be a female element ("male and female, in his image"). That man is incapable of comprehending the worlds God creates should be no more difficult to accept than quantum mechanics, which we haven't even touched.
God has repeatedly told man than he (Man) is completely unable to understand the things of God at this point of his, Man's, development. If the Hebrew prophets simply made God up, they did an outstanding job of consistency over the ages -- more so than any other theology.
Thus, if there is a God, it stands to reason He would reveal Himself...and conceal Himself.
But this is the key to theology.