I've decided it's pretty clear to everyone that a story's score is the loosest possible measure of the quality of a story.
It drops due to the genre and compared to authors who are actually great writers with excellent editors - unlike me who can't even get an editor. Then of course it's affected by the day and time new stories drop... so screw it.
I've turned scoring back on because I think it has something to do with making the story more visible to new readers as well.
Have a great day everyone!!