While that is true, the problem is they have raised the age required to receive benefits in the past and they likely will do it again. Many people will die off before they receive the benefits. The system is also probably going to go insolvent in the early 2030s and the benefits will be cut by over 20%.

Many young people feel like they are going to pay into SS for 50 years to pay for the older generations and then when they retire they are going to receive less than they paid in. Obviously that may or may not be the case, but there is a general feeling that they are being gypped in order to pay for the older generation's retirement that they will not get themselves.