About the only thing worse than your English is your information.  RTK works as it is described.  No, it does not steer the implement with out implement steering.  If your farmer has spent $150,000 dollars and he has only been able to do soil prep and seeding, then he does not know what he is doing. 

I am on controlled traffic using RTK.  All passes are repeatable without nudging.  Lets see you repeat seeding next year on the same traffic lane using WAAS.