Almost everything they're doing is predicated on stopping threats to mutantkind. Survival is still their basis for everything, just like it was in the prior runs. Except now they all casually accept genocide.
Its pretty hypocritical to treat Wanda like the devil incarnate while letting Sinister and Mystique, who respectively ran and were a part of an actual pogrom squad be in charge. Likewise for Apocalypse and so many others.