Yes it as. Enormously. Both in income, but especially in wealth.
The most obvious example is the 50% discount on CGT.
As someone else, said, you are entitled to your own opinions, but not your own facts.
It's a distorting incentive that drives people into completely unproductive "investment" and costs the country something along the lines of $6 billion every year (and that's before even beginning to estimate the massive negative impacts of our property bubble, and that's before even trying to figure out what the impact will be when it bursts).
(Not that NG is the only thing responsible for our property bubble, but it's certainly a big factor.)
Of course not. Tony, like you, is the kind of person happy to turn the screws on normal people while giving the top few percent the country on a silver platter and damn the long-term consequences.
"Open for business", indeed. "to do whatever you want" is the part of the sentence he left out.