Temporal Anomalies movies

Even though I disagree with him on the nature of time travel (if time travel to the past is a thing, then causality should really be treated as a falsity or perhaps a misunderstanding of the nature of reality stemming from our limited human perspective), I like this guy's analyses of the temporal anomalies created in movies about time travel. Sample:

In this original history, Sarah Connor must have had a child. It was not Kyle Reese's child; it might not even have been a boy. All that is certain is that a child was born. It is also certain that someone created something called Skynet, a computer system able to control all of our computerized weapons systems, and that at some point this system became self-aware, and turned against humanity. An unfathomable number of humans died, but Sarah Connor's child survived, and led a resistance of some sort which fought back and prevented Skynet's victory. At some point, however, Skynet decided that it had one good option, to send a machine to the past to destroy Sarah Connor's child. For whatever reason, it determined to do this by destroying Sarah Connor before the child was born. Thus a Terminator was sent back, and history changed completely.

When I say that in this timeline Kyle Reese did not come from the future to protect Sarah Connor, the immediate thought will be that Sarah will die. However, in response to that it is probable that the original terminator was not the T-800 of the first movie, but a much less developed model. The reasons for that are explained in the previous page. Somehow, Sarah Connor managed to escape and give birth to her child. A terminator is relentless, though, and eventually it would have caught up with Sarah Connor and killed her. This must have happened after the child was born. Otherwise, there would have been no child, and Skynet would have had no reason to send the T-800 back, and we would fall into an infinity loop. Because Sarah was killed by the Terminator, Sarah's child would have sent Kyle Reese back to protect her; there is no good reason to have sent someone back to protect Sarah Connor if Sarah Connor survived (something already known from that moment in the future which immediately follows the departure of the Terminator), so Sarah must have been killed. This arrival of Kyle Reese in the past is the second time history changes completely, the third version of time.