The title doesn't really match the quote
"What we've seen is it's allowed people that might have been on the fence, might have had some of that friction, might have been like, 'I haven't played in a while' to actually come back and try the game," he said.
"We've gotten to the point now where Black Ops and Call of Duty have been around so long - I've been working on it for 16 years," Leslie added. "And really the challenge for us is how do you bring along the fans that love Call of Duty, but how do you create an environment where you can welcome new fans in?"
They are talking about saturation of IP, not about making users stick to GamePass subscription.