It also includes a rejection of male stereotypes broadly, and in that sense, it's a good thing. [1]

In my view, it seems to be the male equivalent to black nationalism, feminist separatists, etc. It says "we don't need you, we could completely disengage from you and mainstream society, and still do alright for ourselves." Except that men feel that they have long held the reins of power, and so they REALLY CAN do okay if they split off from other folks.