Jesus says he disciplines and rebukes those He loves. Why would a loving God do that?! For the same reason I reprimand my 2 year old for running into the street, because he might die if I don't. Yes, the wage of sin is death. If you are disobeying God, it might kill you. Alcoholism will ruin your liver, acid will ruin your brain, sex outside of marriage literally divides your soul, bitterness can give root to cancer, depression can turn you to suicide, porn puts you in shackles, lying makes the devil your father.
He said, You can bury the workmen but the work will go on And you can silence the voices but you can't stop the song When the Spirit's moving, His will will be done You can bury the workmen but the work will go on