Here is some excellent ammunition for defending spending the time and effort to develop good training courses, not just throwing something together as fast as possible. 

Companies spend billions each year developing and improving products for their clients and themselves. Other companies invest billions buying products to improve their business and to get a competitive edge. For the most part, anticipated returns on investment in development or purchase are never realized. And it has nothing to do with how good or bad the products are! This paper will help you find where time and money is slipping away and put a stop to it.