I read it as we should tax OP more for all the years that they were a drain on society to make up for all the tax breaks that they got.
As it is people like this should consider that "paying taxes to support other people's kids" is really just them paying everyone back for when they were a kid.
But yes society needs people of all ages and without young people there would eventually be a collapse.
Whenever this happens, I just think about the song that never ends, it goes on and on my friends. Some people started singing it not knowing what it was, and they'll continue singing it forever just because...