2. Yes applies to all that are human! lol Of course no torture to a child. If a woman has terrorist information, mess with her mind as you would a man.
3. 
4. Are they life savers if a kid is in school texting when they should be learning? Ha! I did leave that statement open. I said "most" cases silly. If a child is away from parents not in school, they should have a phone for emergencies.
I believe the "marketing" would only do so much. What is more powerful, a kid watching a beer commercial or a friend offering the kid a beer? I think if we regulate one thing to make up for bad parenting, it will be like a circle of regulation. I think the work is in the parenting, not the marketing.