Because you decide how to resolve any dispute, it gets decided on what matters to you. You can decide based on what is fair, on what is practical, and on what is best for everyone involved. If you give the decision process over to a judge or jury, they will decide, based only on “the law.”
In mediation, you won’t get taken advantage of by the process, the other party or the mediator.
In mediation, you can decide on an outcome that preserves relationships, past & future, if that is important to you.