 In the 1980s, he minimized his role at SofTech to concentrate on developing Plex into a wide-ranging pseudophilosophy touching on epistemology, ontology, and philosophy of science.Ross wrote a wealth of material on Plex, delivering lectures at conferences and holding an abortive seminar at MIT in 1984.However, he was unable to find the audience he believed Plex deserved, and by the late 1980s he considered it an "intolerable burden of responsibility" to be its sole proponent and prophet.