It’s all about fairness. People somehow grow up, these days, with the notion that the world should be fair in all things. You should be compensated in accordance with your skill and also for harms done against you or, historically, against your ancestors.
Our kids say it all the time: “That’s not fair!” Like they are owed fairness. I think people see that society attempts to be fair, and then they start to assume that life should be fair.
We have given our children many rights. Our ancestors have fought to be able to provide those rights. When you are given something, it is natural to start to think that you have a guarantee that will continue. People really only appreciate the price of something they have had to fight for, personally. They whine when they don’t get it, instead of thinking they should continue to fight for it.
Life, of course, owes noone anything. Communities might do their best to guarantee rights to the members of that community, but that does not mean they will succeed. The Declaration of Independence may say:
We hold these truths to be self-evident, that all men are created equal, that they are endowed by their Creator with certain unalienable Rights, that among these are Life, Liberty and the pursuit of Happiness.
but that does not mean that the truth translates into action or reality. Truth is abstract. Abstractions do not easily translate into concrete action, yet many people mistake the wish for reality simply because they are taught that fantasy is the same as reality. We see the same problem everywhere: how people think that you can “lust in your heart” and that’s as bad as acting on the lust. You can watch porn, and that’s cheating. You can know someone on the internet and that’s as good as knowing them in real life. People have come to believe that fantasy life is real life. You need merely wish something and it will become truth.
I think it has to do with the prevalence of mediated experience these days. People watch TV or movies or even read books and suspend disbelief and come to believe that mediated experience is real experience. Thought has become synonymous with reality, and thus people think they are entitled to something if they wish it were so.
With a lack of appreciation for history, or even a knowledge of history, you have no idea how your “rights” were achieved. They just are. Even if you study history, you may not really appreciate it. Historians can depict history as glorious and heroic, and people can believe that. That’s one of the reasons young people can be so enamored of the military. In the end, entitlement can only come from a lack of personal experience in the society-wide struggle to create a right.