Careful with such a blanket statement. By your line of reasoning any immoral act, including someone who molested children in the past but then renounces such an act, should then be allowed to be near children. Adults make poor choices that can limit their choices in the future. Her porn past should preclude her from any occupation that involves kids.
She participated in LEGAL ACTIVITIES with ADULTS, NOT CHILDREN. You might want to be careful as well, given the sort of ilk who elected the next administration: There are many among them who would say that Christian Conservative heterosexuals shouldn't be allowed around children because of their world views.
Mark