[quote name='chosen1s']
Why be a "snitch"? Porn has dramatic psychological effects on people - especially children. It is well documented. If you are going to ignore the moral issue altogether (which you do have a moral obligation but that doesn't seem to go far with people these days...), tell on this kid to give him a fighting chance at a normal. And if you can't do it for the kid, do it for society - because kids who are exposed to porn at that age are at much higher risk for crime, etc. in the future. And if you won't do it for society, do it for yourself so you won't have to worry about feeling guilty about this for the rest of your life.
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Bullshit, that has not been documented. Exposure to porn leads to more liberal sexual values, has an immediate negative impact on the sexual rating of their partner (not an issue at his age) etc., but does not have any connection to crime or things like that. That's a basic thing any half decent intro psych or sociology class will teach you. Hell, personal experience, I've been looking at porn for probably as long as that kid, and I'm the the "nice guy" who respects women out of the people I know.
Also, to the OP, we've all done it, and it hasn't screwed up any of us. I think the whole issue of the parents finding out and such may have a more damaging effect if they are as religious as you say, because it may lead to them teaching him sex is a dirty little secret. Also, if you say he has gay stuff you're just feeding their bigotry. If he is gay, or bi, you'd be doing more damage to him to let his parents know or believe that and try to change it, and/or not let him work that out on his own schedule.
If there's a real issue, like violent, particularly demeaning porn etc. then I can see it, but there's no point in telling on him for things ever kid does and do not have harmful long term effects, especially when there are other issues at play here concerning the nature of the parents.