Mobile apps are baby software.
How big is the team that Adobe has to mount to port CS to a new architecture on Mac?
How about Autodesk?
This is an up-front cost of untold millions to these companies before they see a single dollar of revenue.
That's one of 10,000 reasons why there is very little development for OS X. And a brutally vacant software catalogue including almost zero point zero enterprise software.
Baby Apps? I’ve got several iOS Apps that I’d hardly call “baby”. Perhaps you’re thinking of that other mobile OS?
Do you also think developers for iOS are “baby developers”? Lower class software engineers compared to the “adult” engineers that code for Windows or macOS?