iPadOS Fork is not the problem, as much as what they promised. I still remember (and I am going to die on this hill) when Tim Cook, said VR was not worth it, and that Apple was going to bring a full blown AR experience.
As I was testing my uinit, that is what really felt like a letdown that something as untrivial like Maps was still a 2D application like it runs on my ipad or my macbook Pro.
I still remember fondly how back in 2013. when Google released their Glass experiment, 11yrs ago, they provided a primitive AR UI on top of Google Maps that at that time was mind blowing. I paid $1300 for my Dev Glass device and was worth every penny.
Then Apple comes 11yrs later and releases a $3500 Vision Pro, that cant do BASIC AR with maps? I put it in the box and shipped it right before the deadline was due...
I was incredibly disappointed. The team at my work that was going to use this, is now looking at the HTC Vive Pro, which is a VR headset, and coyuld do some mild AR... but until Apple revises what they did here, that thing is worthless.
We returned ALL 500 units and only kept like 25 for "testing"...