And then you get in a car accident when driving a time you otherwise wouldn’t have been, wherein you maim the otherwise grandfather of a founder of the mega cor

And then you get in a car accident when driving a time you otherwise wouldn’t have been, wherein you maim the otherwise grandfather of a founder of the mega corporation temporally exploiting you — thereby eliminating the whole event. Messing with your own history, given that most systems are chaotic, seems inherently risky. Even in warfare, you’d have a hard time predicting the outcome over more than a short interval.