One should be able to opt in or out of AB testing, even maybe have a way to choose your favourite stable prose generator

This will become super important going into the future
Feature films lock down on a single 3D animation software version for the life of the post-production - as long as three years

Unless you figure out how to render your entire first draft in a day, you might have a VERY different result at the last chapters created vs the first

This could be an extremely important feature for a max plan

Suddenly, no one would be thinking about the disparate word count Between plans