...regarding the main subject of this thread, bias, I would call it a tendency for any theory to resists competing ones. It is quite natural, but at the end selection does its work. The same mentioned Max Planck, explains how he found great resistance for the new concepts of Physics, by the guardians of the old theories.
And this is well treated by Thomas Kuhn, in his
The Structure of Scientific Revolutions.
Religious belief does not constitute scientific evidence, nor does it convey scientific knowledge.