Time travel in a Groundhog Day-like scenario, Adler observes, would change the moral expectations of the objective reasonable person as he or she acquires additional knowledge about cause and effect through multiple iterations of the timeline. In the end, Adler offers a theory on why we haven't yet met time travelers. Check it out, and remember to suspend your disbelief and enjoy.
The article is Adam J. Adler, Time Travel Torts: How Law Gets Dicey When Dealing with Groundhog Day, The Escapist, Oct. 4, 2020.
And speaking of time travel, Star Trek: Discovery season 3 premiered last night. Here's the season trailer, if you can stand the excitement!