
Lumping all members of a demographic into a pigeon-hole is discrimination. Not all 18-yr-olds are lousy, high-risk drivers. It's tolerated because of those statistics but there's not many other places in society where statistics could be used to pre-emptively treat one group of people differently than another. An obvious example is how police treat black guys. Based purely on "statistics", they
may have a case for stopping more blacks in nice cars than other demographics but it's hardly accepted practise.
It's all academic of course. I know, as do you, that it will never change. I was there...did that, lived through it. At 37, my insurance is a comparatively low $US89 a month. It helps to have 21 years driving experience, no at-faults, no tickets in recent memory and to be married. It's a right of passage everyone, well, all young guys that want to drive anyway, have to go through.
It's still discriminatory though.