Ford knew that in order for people to want to buy automobiles, he had to do two things: reduce the cost of production so that they were relatively inexpensive (achieved via the assembly line), and. make sure he paid his employees well enough so that they could buy one (achieved by actually paying his employees well)
Answer: because they supported Laissez-faire, but didn't believe federal government was in charge of helping create an ideal nation. They focused more on big business.