You’re not right either btw
Myerson and Larson-Green both reported to Sinofsky, who was in charge of Windows division. The article you linked is about Myerson being in charge of Windows operating system group (on which Xbox runs) not the Windows division itself.
I may be wrong but I seem to remember Xbox previously being part of an Interactive Entertainment Division under Mattrick reporting to Ballmer. This stuff reorganises frequently. Windows and Devices has been reformed after being split up a few years back. But none of this executive musical chairs or corporate restructuring is important to the original point several posts ago about Scalebound.
You appear to be wilfully ignoring how decision making in large corporations works to try and absolve the head of Xbox from accountability for decisions made about Xbox.
The development of Scalebound, by Platinum Games, as a third party Xbox exclusive was green lit whilst Mattrick was in charge of Xbox. It then ran for 3+ years, before being canned whilst Spencer was in charge. You seem to be suggesting that Myerson would be telling Spencer what to do here, but that's pretty unlikely. Reality would be that Spencer would be getting his budgets and investments approved but would be making the day to day decisions himself, he was a senior executive and this was his accountability. The monitoring of the project and the call to cancel it, possibly on the recommendation of his own team, was his decision. Sure he may have needed the decision endorsed, he probably also got his arse kicked in a management meeting, but it was still his accountability.
edit: Larson-Green succeeded Sinofksy in 2012 before the Windows Division was split into two parts, one headed by Myerson (Windows software operating group) and the other Larson-Green (Devices and Studio Engineering). This came together again in 2015.