Coming from someone who knows someone very well who had a meth problem when they were growing up, not absolutely everyone get's fucked up by meth. My friend is doing fine now, and has a family and went on to get a college degree and eventually a masters. I actually just met this person's childhood dealer the other night, and he's turned his life around as well and although isn't very successful, he's doing alright.
As my first friend said, you can never tell if you're going to be the person who can dabble with drugs and get out of it when shit hits the fan, or the person who gets addicted and fucks up their life. Some people get out fine, while some people end up like the photos here; seriously messed up