there are some advantages of social norms.
1-Historical values are promoted
2-People may be kept under control
3-May increase the level of kindness in a society
4-People may feel more secure
5-You may stop bad habits
6-May help you to find new friends
7-Necessary to be a valuable member of society
8-Complying with social norms makes your parents proud
9-People know how the game works
10-Social norms may keep the current system working
11-Conformity to social norms can give you a career boost