These so called seasonal mini events are created and repeated with very little effort as a cheap time sink to provide a variety of cheap time sink for whatever crappy items they are giving you, nothing but a useless diversion which a lot of people find it fun, since not all of them are into gears and weapons collection and just there for the social aspect of the game and many myriad of useless time sink SE has devised. Hey variety and options are the spice of life!!