I've only been playing SOMO for two months so maybe I don't have enough experience to judge, but it just seems like solving the various mysteries of SOMO is more important than actual baseball knowledge. I'm talking about things like certain player cards underperforming, arranging pitchers using the advantage of having to name lineups for all three games of a series instead of being able make lineups for ind. games, HAL oddities, etc.
It's difficult to predict how a team will do because individual player performance varies so widely depending on matchups, (I know, real life is like this somewhat but it seems exaggerated in SOMO). I don't really see much of a pattern among winning teams, seems kind of random other than offense seems to be the most important element to winning. Teams with one dimensional offensive players seem to win more in SOMO than in real life. I am around .500 with several 2010 teams, I think I need to go for more offence and worry less about defense (except SS and CF) since it seems like offense is heavily favored.
Some people probably like the puzzle aspect of SOMO, I suppose it can be good to be more unpredicteable. Luck of course is also a factor in any game and in real life. However, it seems like baseball knowledge should be more important to winning than it is in SOMO. Look forward to hearing what other opinions are out there.