Terminator: Dark Fate (2019) - Red Band Trailer - Paramount Pictures

This is the problem that humanity has in these films - Skynet is fighting a trans-temporal war.

Skynet always:

1) colonizes its past

2) ensures its own creation at a progressively advanced level

3) and develops time travel before humans can identify and destroy it

Skynet is the only party that knows what's coming. It uses time travel to make new choices like a human who beats a machine intelligence by reloading saves. Humanity can't outthink Skynet - it can only respond to its actions. We've seen this. In Terminator Salvation, Skynet's avatar tells Sam Worthington that it had to try something new. John Connor tells Kate Brewster that he doesn't know if his mother's advice is worth anything because Skynet's time table has changed.

The only way humans can win the war is to prevent Skynet from developing time travel or to develop it first.

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