Originally Posted by
Rodin
However, there's also the matter of "importance". An accountant in Kentucky being late for work might change his whole life...but ultimately he's still an accountant from Kentucky. Even fairly major changes (like reproducing) might not matter. If he has several hundred descendants who all live in that town and never do anything outside it, what changes sufficiently for the TVA to get involved? The overall thrust of the timeline is not altered.