You don't have to worry about that. Quote from the dev notes in the OP:
"Removal of Purity Route:
For me personally, the purity always felt a little out of place considering it was meant to be a corruption game featuring darker powers and Peter manipulating his way to his goals. And of course the Otherworld is hardly a pure place either! On top of that a lot of the scenes artwork didn’t quite work for a purity version.
I currently only want to pursue the corruption route (and the blackmail subroute). Not only do I think it fits the game the best, but it is also where my interest generally lies in terms of what I like to work on. It also means we will save a tonne of time by not having to re-do each dialogue piece with the purity variant, which means builds should be quicker to produce. But with that said…"