Fear is one factor.
Institutions are slow to change because change scares individuals. The method, when correctly executed, improves reading skills, providing children with lasting ability. The truth, it is said, will set you free, and once this truth is acknowledged, there is nothing fearful about direct instruction. Top administrators must lead the way, positively encouraging teachers and principals to try this proven and elegant technology. Unfortunately, the longer the establishment waits, the more it appears to parents and advocates that it is willfully withholding an effective means to provide children with the cornerstone for all intellectual achievement.