I think this: > And Teams performs by far the worst at that 90%. is exactly the reason for: > the amount of needless interaction with other people decreased.

I think this: > And Teams performs by far the worst at that 90%. is exactly the reason for: > the amount of needless interaction with other people decreased. Simply put: nobody wants to touch teams, so they only do this when absolutely necessary (and even then chances are they will just send an email).