Anyone who has ever watched a film with time-travel, or read a book with time-travel, will know that the moment you start to think about the physics of it, you are in a crock of shit.
Time travel, in other words, is too intellectually challenging for our limited brains. Time travel stories repeatedly tell us this.
For whatever reason, time travel is the fictional technology movies and novels spend the most time justifying.
Nowadays, we are all now conscious of and even comfortable with the paradoxes and illogic that stem from time travel.
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