Although give it 15 years and they'll be conservatives too. It's funny what the real world does to people's political views.
If you're a conservative when you're thirty or fifty, you were a conservative when you were fifteen. The idea that all young people are radical intellectuals passionate about changing the world is pure fantasy encouraged by youth-obsessed media.
Young or old, most people are self-centred, intellectually lazy and uninterested or afraid of change, i.e. inherently conservative.