if folks at the top of apple were smart (other than financially, LOL) they would differentiate the pro line by selling it with a dock and allowing it to run macos if desired.
What I don't mean is to merge the two OS's into some monstrosity, but an easier way - if docked it will run macos... when not docked it will run ipad os. since the hardware is identical at this point, all it requires apple to do is simply partition the onboard storage space. Both partitions can access a shared data partition so you can work on files with either OS. this requires little to no re-engineering of hardware/software or even apps, interfaces, etc. for that matter - they could probably do this today with just a new bootloader.
I would love to carry an ipad that can convert to a full mac in such a portable form factor when i'm at a desk for real work - this would justify the pro price tag and power. if not, the segment seems very niche and they should just make the air the top tier and give it the premier hardware and save the manufacturing overhead which would hopefully make it more affordable.
(what the heck, do the same with the iphone pro, so my full working desktop comes with me in my phone when traveling (and a small dock with ports) and i would buy it now! LOL. - come on apple think outside the box and this is really so simple at this point in your hardware cycle it would take little to no time on your part)