In a team environment, a shared calendar will contain activities relevant to multiple people.
Right now there doesn’t seem to be a way to manually choose which attribute of an item to be displayed under the Calendar view. I have cases that it highlights the day but displays nothing if the only attribute beside the date is a reference to an item in another folder. And even if displayed, it only shows one attribute.
I’d suggest that at the minimum the Calendar view has the ability to show both an attribute as well as the person/people associated with the attribute.