It's just like every other new Microsoft product. They produce enough materiel to get something started -- lots of demos and howtos and samples -- all by Micros

It's just like every other new Microsoft product. They produce enough materiel to get something started -- lots of demos and howtos and samples -- all by Microsoft employees or surrogates -- and then they leave it for something else, and hope the world figures out the rest. They try to suck you in up front, and hope that you get committed enough to not leave when you discover the mess that's waiting for you behind the curtain. I've come back to full-time Windows development after over a decade of PHP and Rails, and you could lift my experience with trying Entity Framework and lay it on top of these complaints, and not notice a difference. I've always said this about Microsoft products: they make it really easy to get to 70% of what you want, and then make it nearly impossible to finish. There's a massive bend in the effort/results curve. With open source, it's more difficult in the early stages, but it's a steady progression to 90%, and then you have the tools to work out how to get exactly what you want, if you want to make the effort.