The "predestination paradox" involving time travel seems to be at the core of so many Star Trek time travel stories (and other time travel stories such as "Terminator").
That is, someone goes back in time, changes things, and the changes they make turns out to be what causes the very events in the future that motivated the time travel in the first place.
It seems to me that virtually every story involving time travel includes some variant of this idea.
Why is that?
It seems to me that the ability to travel into the past would be interesting enough.
Although it could be attributed to a hidden desire by writers that the "past is not fixed and is in fact changeable". Including the fact that mistakes from the past can be prevented or disasters averted.
That is, someone goes back in time, changes things, and the changes they make turns out to be what causes the very events in the future that motivated the time travel in the first place.
It seems to me that virtually every story involving time travel includes some variant of this idea.
Why is that?
It seems to me that the ability to travel into the past would be interesting enough.
Although it could be attributed to a hidden desire by writers that the "past is not fixed and is in fact changeable". Including the fact that mistakes from the past can be prevented or disasters averted.