By real work I mean the process of actual wealth creation. I'm arguing that certain types of work are net positive wealth creation while others are net negative, meaning that more useful resources are consumed in the process of creating that good/service than the benefit to the system that this good/service provides.

Take my Assassin's Creed example. Consider all the electricity used to run their computers, the food and shelter needed for engineers and marketers, the raw materials needed for game parts and distribution. These resources are essentially burned or are outflows of the system, while providing very little inflow (that is directly or indirectly contributing to the creation of real wealth). The result is a net outflow of real wealth of the system.

As more and more people shift to such jobs, productivity gains in "net inflow" work will be partially distributed to those working in "net outflow" jobs.

I'm also not arguing that all software jobs are net outflow. Something like Google for example, could be argued as a net inflow, because fast information retrieval and distribution can greatly improve the overall efficiencies of the economic system.