The Impossible Paradox of Time Travel

The chances of everything happening someplace at some time in the superverse is 100%. And if you're familiar with Rick and Morty, let's just put it simply, there is an infinite amount of parallel universes that anything can happen in all of them. The Everett Wheeler, Graham, or multiple world theory is correct. All possible quantum states, events, possibilities, and outcomes are real, eventual, and occurring. It seems to me like whatever they were trying to correct in the future, whatever they're trying to grab from the past, it doesn't really matter because they're kind of leaving their home universe anyway. You really start to get a potentially a nihilist view of the world where