There is no theory of abiogenesis. Just as there was no theory of gravity at the time of Galileo.
Nevertheless, the earth moved in Galileo's time, and continues to do so.
There are numerous conjectures regarding abiogenesis, and some have already been falsified. as we learn more, the conjectures will become more specific.
Abiogenesis as the "conjecture" of how life got to the third rock can never be falsified. There isn't even agreement on whether a pre biotic soup existed or what it was composed of. Nor is there any evidence of the composition of the atmosphere. Some things are unknowable. Speculation is not evidence and just so statements are not testable.
Falsifying a hypothesis that says two eggs, a piece of cheese and some heat makes a ham omelet says nothing about how life appeared on Earth.
Yet the document above claims that its started through natural chemical processes. That is a just so stroy backed by zero evidence and unfalsifiable.
They may be RIGHT but they are stuck in Karl Poppers box and can't get up.