Earlier quoted context omitted.
It's likely caused by the very same thing that causes human beings to knowingly and willingly steal money from children that need that money to live.
Some people seem to exist in a bubble where they believe that nothing bad will ever happen to them or their loved ones, so paying to improve society has no benefit to themselves.
Same with education. I am more than happy to pay taxes for an education system, even if I do not personally have children.