They didn't know what else to do but throw more junk into it.
Madness string 85899
But there's a way to do this with an octopus merge. You just have to make sure to keep the octopus happy.
Wright would get salty about people over six feet tall being allowed to walk around in his buildings because he felt it threw off the sense of scale. I'm not sure he ever really grasped that buildings are things people live in.