This is all neatly sidestepped by many-worlds: the wavefunction collapses that you observe send you down one trouser of time. It may look like you're influencin

This is all neatly sidestepped by many-worlds: the wavefunction collapses that you observe send you down one trouser of time. It may look like you're influencing the world, but you're really just being dragged along by it. Non-sentient things are doing the same thing in the same way.