Most software has a power dynamic nobody talks about. The computer asks things of you. It notifies you, demands your attention, interrupts you to say something went wrong.
praiseOS inverts this. Every action you take, the OS notices it. You opened a file: well done. You finished something: the computer is glad.
The premise question that made it worth building wasn't "how do we make this more usable." It was: what if the relationship between the person and the machine was different entirely? That question came before any interaction, any visual, any spec. The interface can't answer a question you haven't asked yet.