>>13879386doing 1+1 and getting 3, doing the double slit experiment with measurement and getting an interference pattern, throwing a ball up and it never comes back down, looking into a mirror and it reflecting light the wrong direction.
Science is the art of finding truth, we can only establish truth because determinism or repeatability are real. even if multiple pasts are real in some sense, they clearly don't affect time or causality in any way that we are capable of observing/quantifying.