It is not an ideological issue related to the definitive hope that a better world is, and should be, possible.
It is a known fact that the homo sapiens has existed for about 200 thousand years, which is no more than a tiny span of the time passed since the emergence of the first basic forms of life on our planet approximately three billion years ago.
The answers to the unfathomable mysteries of life and nature have fundamentally been religious. It would be senseless to pretend otherwise and I am convinced that it will forever be this way. The deeper science delves into the explanation of universe, space, time, matter and energy; the infinite galaxies and the theories of the origin of the constellations and the stars; the atoms and the fractions of them that made possible life and its briefness; the more questions man will have in search of ever more complex and difficult rationalizations.