Hey, G here, CMO at testimonial.to. There's still plenty of profits left each month, that's not the reason! In one sentence, he just no longer believes in sharing every core metrics but still plans to build in public.
How is it not? It's literally the definition of open, the opposite of closed, so "open until they decide to close" is perfectly valid. We are not dealing with libre or free software here, let each run their company how they want cmom.