In our church pastors do not run the church alone, though sometimes they try to.Just don't pay them much and you'll find the good ones for the job. We never have this problem in Holland where most pastors don't even get paid.
No sorry not true, even then you have it because they want to take over and be in a position or steal sheep and start their own thing.
When social climbers maneuver themselves into positions of authority in the church, you likely will see favoritism, and this can destroy a church.