Earlier quoted context omitted.
I suspect this move is due to behind the scenes Adobe / Apple relations souring over the years. Adobe used to be one of their biggest supporters and helped winning over users to the Mac platform. This has diverged significantly over the years, and I think Apple is looking at Adobe and their business model and realizing that it both lucrative for them to have software that fills into this market to round out their cre…
Not to mention Apple's challenge with 30% AppStore tax for subscription revenue. My guess was that Apple is okay with Apps from third parties that tithe 1/3 of their subscription revenue but aren't willing to make a place for them if they don't "sing for their supper" as my Grandfather used to say.
Apple’s main source of innovation is applying mafia tactics to software distribution.