Care to be more specific?
In this case it is founded on observation and pattern recognition. Perhbaps you assume that pattern recognition is confirmation bias or special pleading simply because you disagree.
What is forever outside of spacetime? Atheists often use variations of an argument that the universe must not be created because it is old, because it is made of components, and because there are processes involved. Of course it is made of components, it has an age, and there are processes involved. If anything, such things point to it being created. Not to the nonexistence of a creator.
Reason involves analyzing observations. Nature isn't a mere philosophical construct. Even a rock can be considered evidence of a creator. Covering one's ears and repeating "it was not created" will neither make that rock disappear nor change its nature.
Abiogenesis pertains to how life and evolution began on Earth. So they are about evolution, but they are not contrary to the theory of evolution. To be fair, I hoped that this thread was about another TOE. The theory of everything,