Humans have managed to cause the development of hundreds...
That is called micro evolution which has never created something new out of nothing.
The theory of evolution does not posit that life starts from nothing. It is a proven mechanism that explains the origin of new species in a world that already contains living organisms.
This article is exploring an aspect of a theory of molecular evolution, which attempts to fathom how the genetic molecules and early proteins may have arisen. It is entirely separate from Darwin’s theory and is far from proven, but even molecular evolution is not something from nothing.