hell no. do what you want, although you'll have to mature faster but its not bad, as long as your parents weren't paying (IMO).
No, not everyone is a scholar. Have a back up plan on how you will earn a living. College graduates earn far more in a lifetime. good luck.
Meh. I dropped out of high school, dropped out of college, now I'm employed as a contract computer programmer and have worked in lead roles for Fortune 500 companies on critical projects. It depends who you are.