Now that the UN has finally acknowledged that Syria is in a "full blown civil war," it's even more reason why we of the Western alliance should stay out of it. Harsh as it may seem, intervention would be a mistake. If we (meaning Western democracies) entered the fray, it'll be war by proxy and wouldn't curb bloodshed, but spread it.
This is a grouping of dictatorial regimes, the majority of which are ruled either by monarchies, or worse by military regimes that came to power by killing or removing the previous rulers of those countries. We are talking here about a rulers' club which has nothing to do with the Arab people, and that is why it should be called "The Arab Rulers' League."