Exodus 18:13
The next day Moses took his seat to serve as judge for the people, and they stood around him from morning till evening.
Jeremiah 5:31
The prophets prophesy lies, the priests rule by their own authority, and my people love it this way. But what will you do in the end?
Matthew 23:1-3.
Then Jesus said to the crowds and to his disciples: “The teachers of the law and the Pharisees sit in Moses’ seat. So you must obey them and do everything they tell you. But do not do what they do, for they do not practice what they preach.
ivarfjeld.com 
Nowadays things have become even worse. Not only are preachers doing the wrong things, but they are also teaching false doctrines. This means that both what they are doing and what they are telling us needs to be carefully screened through the Word of God and the counsel of The Holy Spirit. We are living in evil times.