Fruit flies gestate in eleven minutes. For most mammals, the process takes several months. Ideas also gestate. When America declared itself a free country well over twenty percent of its population were slaves. It took almost a hundred years for Lincoln to free the slaves and almost another hundred years for the civil rights movement to translate these principles into reality.
Ideas take time to take hold.
The more profound and novel the idea, the longer the gestation period. That's about the length of the gestation period necessary for it to realize that it's G-d's dwelling. Let's go back to the concept of a home. Unless a person has a home of his own, there is a certain element of his being that will not be fulfilled. Therefore, every person desires a home.