I don't know this guys background but from going to school for communication I can tell you what I know about most (mostly fellows) who want to be sports journalists: they are goddamn awful at math. Chances are this man uses things like wins and Cy Young votes because he doesn't understand more complicated statistics.
Also, there's been some sort of performance enhancing drugs in baseball for a long time. Cocaine in the 60s-80s, anabolic steroids later. And to be fair, no one can be certain when steroids started being prevalent in baseball.
If Jack Morris gets in Dave Stieb should be in too.