Earlier quoted context omitted.
As another veteran of working remotely, I disagree. Conscious use of collaboration tools offsets not being in the same office together nicely. Real time communication via Hangouts or Skype are at a level where you can hold a good conversation without having to be in the same physical location. Also, most offices (and businesses) are not really built to support proper collaboration and working conditions. As an exampl…
Thing I've learned through hard experience: programmers (and yes, I am one) generally over-value individual productivity and under-value communication. So yeah, you can "hold a good conversation" via Skype, but you still have to plan the call, set up a time, etc. There's friction to spontaneous collaboration, and spontaneous collaboration is what people really care about when they talk about the benefits of in-person…
The reason I didn't hit deadline X? 5 "spontaneous collaborations" happened at my desk in 3 days. Wait... I don't get my bonus because we missed the deadline? But... my collaborations helped the marketing dept hit their goal ahead of time, and they did it by coming to my desk and asking me questions. Oh... that'a a different budget?
If you want to foster that sort of behavior, make sure all of the aspects of the business line up in support of it, not just the facilities budget because "open plan" is cheaper than private offices with doors.