People got it in February because no one got it. February only had 29 days and the programming didn't recognize that as one month so everyone who played in February got the reward. Then people who played everyday in March and didn't get it in December or January also got it. It was always a one time only thing, the people…
In addition to what others have said, I could see them bring Revan back in February in time for a Sith Revan at the end of the month to follow the Sith love in February.