I think I believe this explanation. And that would imply that the author is either paranoid or trying to make a more salacious story.

My cynicism makes me think it’s the latter.

There are an array of devices you can buy online that automatically jiggle the mouse cursor to prevent idling, because supervisors are using Microsoft teams to determine if someone is working.

Even if the charitable interpretation was Microsoft's intent, managers put a lot of weight behind the Team's status icon.