Not to mention that the less people think their votes are worth, the more every individual vote is actually mean.
If you have two elections, one with a 40% turnout and one with an 80% turnout, in the one where 40% of people voted, each voter was as important as two voters in the 80% one.
I mean the fewer people vote, the more power those who do vote end up having.
Your country's youth didn't vote? Enjoy the regressive concervatives that the old people elected taking away minority rights, reproductive rights, LGBT rights.