Why are there disagreements among sociologists about how to define sociology?

setting focus on individual or structural factors to contribute for social change

Explanation:

As Sociology started, it focused on the study of the interactions that individuals and large social groups form. The scope of the group can be set in every human activity and can stretch to big and complex institutions like the state. According to the different approaches, sociologist academics tends to favor either individual characteristics or social forces that shape society.

A balanced approach recognizes the degree of individual and personal agents as actors, given a social force or structural component.

A example of structure: Sociology based on Marxist components

An example of agency: Sociology based on leaders (as explained by Weber)

Because every option is usually right if it is logical but to define it itself it a ideology