I originally thought React Native was for all platforms, then I read their website and docs which made me realize it was only for mobile. That all went down a f

I originally thought React Native was for all platforms, then I read their website and docs which made me realize it was only for mobile. That all went down a few weeks ago. Now, today, I find out I had it right the first time. How big a shortcoming is it of their website that it made me go away thinking it was something it wasn't when I had the right thing in mind?