That article does provide some interesting insights into the politics and posturing that are inevitable with a major project involving multiple parts of a large company. I saw my share of those in my working days, albeit on a smaller scale.
I also found it interesting that FP+ is barely mentioned in the article. It should be pretty apparent from that that FP+ was not a driving force behind the overall MM+ initiative. If you believe the article, that should put to rest any arguments that Disney spent a billion dollars solely on a ride reservation or ride rationing system.
I didn't think the statement about MM+ and Disneyland was really any different than the statements made a few months ago. I remembered that as saying that MM+ would not be implemented at Disneyland in the same way that it has been at WDW. Saying that Magic Bands probably won't be coming to Disneyland is not inconsistent with that.