Why is it necessary to have different political ideologies?

By definition, political ideology talks about political theories and policies believed by an individual, group of individuals or a particular social class. . It is important because it keeps people informed about the different ideas and other informational discussion regarding politics. They get to participate and avoid being apathetic. They could practice their open-mindedness on challenging debates and learn to resolve their conflicting ideologies after. These ideologies are timely and relevant and are needed to be tackled. This gives power of the citizens living in their country and be able to help giving output to the government if needed.