It's the main point for people who want their children to succeed at the expense of the rest of society and it's a loophole when they try to sell that concept to the rest of society as "we can teach better for cheaper so give us your tax money and let us replace universal public education" rather than "we have thrown some of your children on the scrapheap for you to expensively support for the rest of their lives and either don't understand or don't care that this is of net negative value".
It's the main point for people who want their children to succeed at the expense of the rest of society and it's a loophole when they try to sell that concept to the rest of society as "we can teach better for cheaper so give us your tax money and let us replace universal public education" rather than "we have thrown some of your children on the scrapheap for you to expensively support for the rest of their lives and either don't understand or don't care that this is of net negative value".