CPS will most likely not remove the kids. They have little staff, a lot of kids they can't find homes for, and it is traumatic to remove a child away from their birth parents. Yes even bad parents. On top of this the kids would be split up. The oldest M kid is 11 going on 12. She's old in the foster care system and might end up in a group home away from her siblings.
Yes, sadly foster care isn't perfect either. There are kids who die and are abused in foster care. Statistics show foster kids are 10x more likely to be abused.
I'm a foster and adoptive parent. It takes