I know this is a satirical piece, but I feel the grandfather paradox itself is an outdated concept. I'm more of the view that if you were able to step into the past, you'd merely create an alternate timeline where the changes you made were the past, with the original timeline remaining intact and unaltered.
So, if you went back in time and killed your grandfather before your father was conceived, it wouldn't be *your* grandfather you killed, but a version of your grandfather in an alternate timeline you created by slipping into the past, a divergent history. Therefore, the grandfather was killed by a version of his grandson from an alternate future, not the timeline he was killed in.
A paradox is simply something that cannot happen. Multiverse theory combined with Time Travel always negates a paradox.
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