Bad luck. By which I mean that in what the insurance companies must call the lottery that is young drivers and accident statistics, you turned out to be one of the ones that has an accident. There are plenty like you, no doubt your experience has led you to reconsider the questions you ask in post 1. In one sense it's unfair, I hated having to pay massive premiums because a lot of other young male drivers had accidents.
If you never have an accident then you really do feel like you're getting stitched up, but when it comes to crunch, would you insure a fellow young driver for any less than you've been paying? The insurance settlement for your claim alone, after personal injury etc etc, is bound to be well into 5 figures. It will take a few years before you pay that back in premiums, even at the inflated costs you will now be paying.