If you believe we live in a universe where most things are possible, you will focus on the best things and how to achieve them, and the worst things and how to avoid them.

Separately, if you want to construct a highly viral religion meme, you will focus on the best things and how to achieve them, and the worst things and how to avoid them.

Taking the really awesome ideas of religions (God, afterlife) and figuring out the most plausible scientific explanation for them is exactly what we should be doing, since we want to maximize the probability of God and afterlife.