The craft is the foundation of the construction industry - installation delivers final value for the project owner. Aligning craft talent to build a project is difficult. Building a contracting business that consistently delivers projects is 10X harder.
Construction as craft and as a business has been around for thousands of years. Contractors build and maintain the infrastructure that enables society to grow. That history comes a lot of pride. It also brings a lot of difficult to change habits.
An easy way to visualize the cost of problem resolution at different stages of construction is with this pyramid. The cost of the problem is the cost of the problem (1X). Finding it ahead of time minimizes the costs and maximizes customer satisfaction.