You missed the point. The teenagers are not thinking about their pension, they are thinking that - they must pay 20-30% of their income, over their entire life

You missed the point. The teenagers are not thinking about their pension, they are thinking that - they must pay 20-30% of their income, over their entire life, for other people's pension, - they do not get a pension themself, - the people whose pension they must pay have screwed them on multiple "quality of life" issues