Barak usually shows deafness to human feelings. He is more at home with military and political calculations, which many times fail because Barak does not understand how humans react. But I think he calculated it correctly this time. Deporting the children en masse will make a bad impression worldwide, and since we are dealing with a rather small number, it is better to let them stay and apply the new policy to future cases.
One student killed, three wounded at Arizona campus during fight (a)
from the article: Barak appeals to PM: Don't deport migrant workers' children