Yeah, IMO the iPads are mainly internet consumption machines and iOS seems to be focused around that. That means as production machines they are more limited aside from specific use cases. The iPad Pro may have some specific pro uses as well but overall I feel that the iPad Pro is struggling to find a purpose so far. Not that these guys are representative but they are illustrative: I have two friends, both Apple fans. One is a web designer and he uses his iPad Pro both as a development & design tool and as a display to demo his work to clients. The other is an end user like me but he just cannot figure out what to do with his iPad Pro. A big video watching and surfing tablet? Nah, too clunky. Office productivity? Nah, it has too many limitations, so he has a MacBook for that.
For some people the solution is sonething like Surface Pro, which can function both as a tablet as a consumption device and as a laptop for productivity. Right now though for me personally most of my mobile usage is consumption so I prefer using an uber light iPad Air 2 for that. But for the times I actually need real mobile productivity, I prefer using my MacBook Pro.
There will likely be some convergence of iOS and Mac OS X, but we aren't there yet.
Meanwhile, this message was written on my iPhone 7 Plus, a truly portable device that I have with me all the time. I carry neither my iPad nor my MacBook Pro with me most of the time.