It can also be argued that that's not what the wars were fought for. Your very judgemental take on people not voting is rather reminiscent of the flak some people get for not wearing a poppy. Instead of getting all hoity-toity about people quite legally not voting, why not argue for better political education and a change to make voting compulsory? I wouldn't support the latter myself without a good dose of the former. People not voting en masse is a symptom of political failure to engage people. Then, when they do turn out, they vote for an ignorant, xenophobic, bigoted big-mouth in the US and for a bunch of racist liars in the UK. I think that should concern you far more than bleating about non-voters "throwing away their rights." Which, incidentally, they haven't. They are exercising their rights, within the current laws, in a way that you happen to disapprove of.