Why doesn't Xbox Game Pass include every Call of Duty game?

Microsoft confirms new Call of Duty games won't be added to Xbox Game Pass day one. Can Game Pass at least get the old ones?
GameSpot

More Call Of Duty Games Are Coming To Xbox Game Pass This Year - Report

Microsoft might be dropping new Call of Duty games from Xbox Game Pass, but that reportedly won't stop older entries in the ...
Hosted on MSN

Fallout season 2 and Call of Duty collide in a new Black Ops 7 and Warzone crossover — season 1's reloaded update will add content from the TV show

From Helldivers 2 x Halo to Microsoft Flight Simulator x Stranger Things, there's been no shortage of big-name crossovers in video games lately. Now, two of Xbox's biggest franchises — Call of Duty ...
Polygon

Call of Duty's developers know they messed up, but their solution isn't the right one

Activision has announced a huge change for the Call of Duty series: we'll no longer be seeing consecutive releases in either the Modern Warfare or Black Ops subseries. What does Battlefield offer that ...