1. Political stance: Su Hu may hold a political stance different from that of the Shang Dynasty and disagree with the legitimacy or values of the Shang regime. He may have different political ideas and choose not to establish contact or loyalty with the commercial regime.
2. Local autonomy: Su Hu may advocate local autonomy or independence, believing that Jizhou has the ability to manage and develop itself without relying on the central government. He may want to maintain local independence or local government autonomy.
3. Economic benefits: Su Hu may think that Jizhou's independence from commerce can better safeguard local economic benefits. He may think that establishing contact or loyalty with Shang Dynasty is unfavorable to Jizhou's economic development or interests, so he chose not to go to Shang Dynasty.
4. Cultural differences: Su Hu may think that there are some differences between Jizhou culture and Shang Dynasty, and he does not agree with the cultural values of Shang Dynasty. He may choose to stick to the cultural traditions and values of Jizhou area, rather than compromise or identify with Shang Dynasty.
5. Power struggle: Su Hu may be a member of other power forces, trying to compete or confront the commercial regime. He may have taken a fancy to the support of other forces and chose not to go into business in order to compete for power or achieve his own political goals.
These are just some possible reasons or ideas, and the specific reasons may require more historical documents or materials for in-depth research and analysis.