This is a grammar term that pseudo-intellectuals claim needs to be adhered to in all circumstances. Yet, there are a multitude of circumstances in which the passive voice would be clearer to the listen/reader and would make more sense to use.

v. collectively or individually finding someone/something to blame for a problem, as opposed to brainstorming which connotes finding solutions to a problem

n. the act of finding someone/something to blame for a problem

(from a TV ad for HD television)