As of this moment, 25,000 votes are in and a strange thing is happening.
Polls are fun. Could be ballot stuffing / trolling. Could be people voted for what is most fresh in their minds. Or maybe, the controversial 50% of people who like The Last Jedi on Rotten Tomatoes don't just like it, but simultaneously rate it as their favorite overall Star Wars film.
One thing that isn't surprising, apparently nobody likes TPM or AOTC.