Driving a car your parents paid for isn’t the same as having real world experience. You can read about politics all you want, but until you are a functioning member of society you won’t get it.
Well, if that is the case, then I think that they should be able to vote because it contributes a new demographic with a different perspective into the mix.
Neither are disabled people... so that's not much of an argument... So, you think that people stop growing as soon as they turn 18? That very morning the growing process suddenly stops, right?