Assad and Ghadaffi destroyed Syria and Lybia respectively being asshole dictators that caused revolutions and that attempted to stay in power by claiming over mountains of dead Syrians and Lybians. The west didn't interfere much in Syria so Assad was able to stay in power a while longer and kill many more of his own citizens. The west messed up the post revolution period but letting Gaddafi do what he wanted would have lead to a worse situation