What's new is that it's now being recommended for use in production, not just development. It's also now what they want you to use for caching, artifact storage and just about everything else that use to use "Technology X".

I can see the reasoning behind it. Simplicity. But I'm waiting for the horror stories like this one to die down before making a final judgement. It just doesn't _feel_ right to me after doing it differently for 20+ years.