The productivity improvement is negative because of how much of everything is now a "product" instead of just a tool. Whenever you open something, especially after not using it for a while, you're met with an obstacle course of in-your-face modals and popovers about new features that you don't give a shit about.

Software used to let you get your job done more efficiently. Installing a new app and learning to use it felt like discovering a superpower. Now it feels like a chore. Now it feels like computers don't serve people any more, but the other way around.