The point about abiogenesis is that although it is not an element of evolution, if one is to explain the origin of species from a common unicellular ancestor such as an amoeba, then the logical extension is to explain the origin of this Common Ancestor. To get the seminal Common Ancestor then one must start with elements that exist apart from previously existing organisms such as carbon, hydogen, oxygen, nitrogen, phosphorus, etc as they exist in common simple compounds such as carbon dioxide, water, ammonia, etc. Organic compounds found in living organisms such as DNA, proteins, lipids, etc don't occur naturally in the environment. If someone purified an enormous number of a simple living organism such as an amoeba and then fractionated this isolate into the various organic compounds that make up the amoebas composition, no conglomeration of scientists can reassemble in a priomordial-type environment even the most basic living organism and cause it to come alive again.
Likewise with life and life systems rarely are they even partially functional without all of the elements already existing together in the most intricate arrangement. If one disassembled a car and randomly recombined the thousands of pieces, then the chance that they would become reassembled exactly in a functional car is not infinitely small, but rather the probability is zero as it is an impossibility to do so. The point again is that life systems and the various species of life are infinitely more complex than a modern car.
Naturalistic evolution is the most widely believed lie that exists today.