GV27:If I make money through a business I set up, that productive gain is bad, but if I'm a salary worker who pays down a mortgage, that's exempt because....well it doesn't make any sense.
It makes perfect sense because it's the politically expedient thing to do. It doesn’t matter whether it distorts the tax system (should the family home be GST exempt too?) because any party that included the family home in the initial policy would be voted out at the next election.