This. After a generation of social media sneaking its surveillance, manipulation, and noisy ads into our home, work and mobile lives, it is very obvious that having something "smart" shoved into tools where it wasn't asked for isn't some noble attempt at improving lives.
Users are tired of being continually and transparently abused.
All Microsoft would have to do to shock the world and get months of good press is announce they were never going to opt anybody into anything by default any more. At this point that would be considered astonishing.
And suddenly, internal incentives would be to create useful, conflict-free capabilities users actually choose for themselves.