No curious, I do not agree that the world necessarily came into being from one of 2 methods.
The theory of evolution or the idea of a creator are not necessarily the only possibilites. Those are the only possibilities that we know of at the present time.

A person did not think of the idea of evolution and then made arguments to support it. The theory of evolution was pieced together bit by bit as evidence began to point us in that direction. As we continue to gather evidence, and add it to the ones we already have, we may find another plausible theory. But my point is that the evidence that has been found over many years, make evolution a likely reality.

Science is an ongoing investigation of the things around us. It does not presume to know the answer to everything, only finds evidence to support or disprove things. The disagreement between science and religion comes from religious texts that do not allow the idea of evolution to co-exist with the idea of creationism. These religious texts are the ONLY "evidence" of a God. And I use inverted commas for the word evidence because to be truly accurate the religious texts although are claimed to be the words of God, are written by the hands of a men and are therefore hearsay.