I understand the screen area difference.. As I've stated on this thread a couple of times. But my point is... if a potential customer goes in deciding between the 9.7" & 12.9" iPad and the only difference between them is the screen difference.. I doubt that customer would go for the 12.9" iPad given the 300 price difference. That's my only point.
it was clear that the air would get the upgrade to pro features, however I strongly disagree with your comment. I have an iPad pro because of the larger screen [and considered it against a future 9.7 inch iPad with pencil], which makes the world of difference to me in its use. Well worth a $300 premium to me. My usage is as a designer for drawing and also using apps side by side.
This is why they have different models and screen sizes. Different uses for different people - I can understand portability vs size etc.
The current iPad pro hardware is perfect and as some others have said, spend time on the OS and it will be great.