Age doesn't mean shit, it's the lack of intelligence that leads to such posts.
Every day you spend on Earth is another day of lessons learned. Highly intelligent youth may
compensate for a young age -- and I think this forum as plenty of highly intelligent readers -- but that's not the same thing as age being meaningless.
Youth under the age of 25 are biologically less able to control their emotions, and their brain is still under rapid development. During the teenage (puberty) years, even more so.
Science says you are more of an animal than you think. And that shows online as well as offline. Eat. Drink. Screw. Social chatterings. Elimination.