If the government can take these children away from their mothers with no evidence of abuse, it can take them away for any reason at all.
Abuse of power in Texas:
"All the public has heard since the raid on the compound is that the children seem to be in good health. Questions were raised by early pregnancies among some of the girls. I have news for you: Teenage girls are getting pregnant and having sex with older men throughout American society today. If these mothers are going to lose custody of their children as a result of that kind of sexual activity, what about the high percentages of teen pregnancies in our inner cities? Can we expect Texas and the other states soon to begin seizing millions of kids – both girls and boys in those families?"