Initially that's what drew them here however over time one or more of the following came into play: Difference in maturity levels, big egos, thin-skinned, low tolerance for those who do not have a good grasp of stats or the game. I am sure there may be other factors which does not come to mind right now.
Anyway, you will ask find a few who are down to earth and love to talk about, or share their insights on, baseball. It's a great place to pick up/increase your baseball knowledge.