if your "beautiful, elegant, futuristic" huge ring-shaped HQ requires a truly colossal fuck-ugly parking garage that dwarfs it, it's not actually a very beautiful elegant futuristic HQ now is it
Not only that, by you want to talk to some on the other side of the office. You can't walk directly across the office to th like a normal building.
You need to walk round the circle.
Who ever is in charge doesn't know efficiency.
More likely more people get worn out, feel like groundhog Day walking round and round a long corridor in endless circles. People will end up ignore others walking