This is untrue, prepubescent children are capable of pleasurable sex acts, masturbation in that population is not an unusual phenomenon.
I strongly doubt that you'll find a significant population of 8-10 year old children who would find penetrative sex anything more than a terrifying and confusing experience. You also won't find a significant population of 13 year old adolescents who would not find gratification in consensual sex with a caring partner.
But you yourself are willing to admit that this isn't always the case. If I could present compelling evidence that the majority of 19 year olds having sex are being coerced, does that justify raising the age of consent to 20?
For one, you can't, because that evidence does not exist. Secondly, the age of consent should be dynamically raised and lowered depending on the individuals and circumstances. A static line in the sand is a lazy and oversimplified attempt at a solution to a complex problem.
Yes but age correlates with decision making ability.
Sure. But normal development of the prefrontal cortex does not stupidity cure.
As long as increasing the age of consent causes more social good in preventing children from making potentially disastrous decisions that is lost by restricting their sexual rights then we are obligated to do so.
But it doesn't. Most people aren't even aware of the age of consent laws specific to their location. Teenagers frequently enter destructive relationships with each other or with adults, are abused and/or become pregnant. The same potential exists for these situations as for adult-adult partnerships. No legislation can or ever will stop this from happening.
Sexual maturity (puberty) has nothing to do with the social meaning and implications of sex in a modern society.
Uh, what? This doesn't make a lick of sense. Sorry, try again.