Social liberal policies are left.
And yeah, politics are a lot more complex than left/right so you will often see a party you'd normally consider left/right enact a policy you'd see from the other side.
> Social liberal policies are left.
How so? Only because we say so now. TO some extent I think we identify issues as social liberal because they are what the left in the US favours.
There are plenty of examples of let wing parties and governments being quite the opposite - take a look at gay rights in communist China or the toing and froing in the Soviet Union. The same with many traditional socialists around the world.