Sure, but they may well have looked at the state of it and concluded that it would need to be rewritten to get it to do what they needed—in which case doing tha

Sure, but they may well have looked at the state of it and concluded that it would need to be rewritten to get it to do what they needed—in which case doing that in a new project is actually less effort, since you don’t need to support the existing uses. (I agree it’d be interesting to hear from the creators, since this is a somewhat unusual result.)