Ya if you really want to and think its going to make a difference and if its going to make you feel better then go for it its a good way to let your anger out and make yourself feel better.
What complaints are you referring to? Most MySpace questions on here are valid questions relating to a feature of MySpace that the asker doesn't know how to use. There are also many questions about hiding parts of a MySpace profile as hiding things seems to be something of an obsession with teens.