He attacked them with missiles because "refugees" were targeted by chemical weapons. Seems to me he is helping them already.
What do you think about the person who supposedly used chemical weapons?
He's a murderer, they all are. The Syrian regime is just defending their country against the regime change attempts by the west, it's simple.
Whether or not that may be true, you shouldn't formulate theories without proper evidence. The things you circulate could spiral out of control and cause untold harm.