The argument of "increased collaboration" that I keep hearing is kind of negated when people have the soccer game on and you're bombarded with constant cheering, which is my current situation. Even when soccer is over, you have to contend with people playing grab-ass all over the office, or jerks (like me) with annoyingly loud keyboards. The modicum of utility of me "jumping into a conversation" really goes out the w…
Then, given all that, you get the coworker two seats down Slacking you. If you're Slacking folks within 10 seconds walking distance then what's the point of being in the office at all.
I think the ideal would be commuting to the office one day a week to take care of meetings which are more productive in person such as sprint planning, grooming etc.