If people will have fear to God, love and respect to others there won't any scammer. Why? Because they won't do what will hurt to other people. If everyone of us are like that there would be better place for everyone. No more crimes will be committed if we love one another. If helping people is in our heart not hurting them.
With the development of technology fewer people believe in God and scammers are not afraid to be punished for their bad deeds. But if we are careful we will not allow ourselves to be deceived.