There's a lot of truth in these comments. The most effective change is productive change. Don't like something? Do something that's better. Look at startups like Square who are turning payment processing on its ear, or our project, Ting.com, promising to turn mobility on its ear. Doing a startup that tries to stick it to the man is probably the most effective means of achieving real positive change.
I think some good points are made in this post. People need to start implementing or at least, work toward implementation of changes to the status quo, whatever the industry/sector may be. Unless that happens, it is all moot.