It’s a lot of speculation, to be sure, but it all comes from Maggie Q’s feelings about what a “Bond girl” represents, versus what that sort of role could become. So long as the character description matches tradition, as opposed to evolution, you won’t see her stepping into that sort of role on the big screen. After watching her work in The Protégé, anyone would be hard pressed to argue against that stance, as Maggie Q has moves that could keep up with, if not surpass, Bond himself.
Article source: https://www.cinemablend.com/news/2572787/the-protege-maggie-q-would-never-play-james-bond-girl