What you do in private should be private (assuming it's legal or you're willing to take the consequences if caught, doesn't hurt anyone, is consensual, etc. etc.). I can see a far better reason for checking out and even censoring the websites posted by minors (note that!) than those of an adult.

The "Zero Tolerance" policy adopted by many schools of all levels is stupid when applied without thought. A seven-grader, back in Indiana, talked a friend out of committing suicide with pills the friend had brought to school; the kid brought his friend AND the pills to the Principal who suspended the kid who did the good work for being in possession of unauthorized drugs!! The Principal and the School Board stuck to their guns, but only until public outrage showed signs of forcing the Board out of office via a recall election. For people to whom we entrust the task of teaching children to think they often show a lack of talent in the area.

I was once censured by my boss (not censored) for using the word "iatragenic" in a memo explaining why I was off sick, but that's about it.