You did not "pay in " to social security.
You, as part of 3.7 workers, paid for the SS benefits of one retiree. We are now approaching 2.2 workers per retiree. So, you actually got a great deal: you paid very little while working and because your (Boomer) life expectancy is longer than WW2 folks. You will suck welfare ( aka, medicare, social security) for a lot longer,
Oh, and because when you (Boomer) were a kid, marginal maximum tax rate was 70% so you got great free or almost free school and college. When you (Boomer) got in power, you cut taxes (more money in your paycheck) and now kids can't pay for school ...