This strikes me as cutting off your nose to spite your face. OGL was what allowed such a rich and diverse amount of stuff to propagate. Anyone who uses OGL sourced material is in one way or another adding to the name recognition and/or sales of the original material.
Trying to flip the table on this after 20 years in the name of pure greed is just asinine.
Trying to flip the table on this after 20 years in the name of pure greed is just asinine.