As previously stated, prospective employees are becoming less and less willing to work for bargain basement wages. Also, the options and flexibility that innately accompany freelance work are considerably more appealing that working for a rigid, austere boss.
If employers are serious about finding workers to fill their positions, they will need to raise wages and provide more on-the-job training. As time passes, the amount of people willing to work as employees will continue to stagnate.