Other goods should not be overlooked. In just four major exports - meat, horticulture, seafood and wine - there are annual tariffs paid of at least $130 million.
If other products are added (forestry, manufactured goods), and with some even partial gains on dairy, the benefits from elimination would be significant. This is not new business, which could occur under lower tariffs, or overall economic impact, just money saved.
Then there is the impact of commitments on services exports - education, tourism, professional services (engineering, ICT, software) and financial services.
Other goods should not be overlooked. In just four major exports - meat, horticulture, seafood and wine - there are annual tariffs paid of at least $130 million.
On investment the extent of protections for overseas investors, including New Zealand companies investing overseas, will be closely scrutinised, along with their right to seek compensation when expropriation of assets is proven, balanced by continuing exceptions for regulation to promote public health (including in respect to tobacco), the environment and the Treaty of Waitangi, and to make decisions under the Overseas Investment Act.
On intellectual property New Zealand has interests to promote - our creative industries and some IT exports could benefit from better IP protection internationally - as well as some clearly identified risks to avoid.
Generally the Government will want to hold, to the greatest extent possible, to existing policy in respect to medicine pricing, the role of Pharmac, patent terms and extensions including in respect to biologic drugs and to software, copyright, geographical indications, parallel importing and internet file downloading.
This is not to suggest that some changes to existing policy might not need to be made.
The US press has pointed to the value of the first FTA to include binding environmental provisions which protect endangered species.
New Zealand has always championed the elimination of fish subsidies.
Some will argue that what is now realistically on offer is significantly less than the bold vision for TPP outlined at Apec in Honolulu in 2011. They are right. That is deeply disappointing for negotiators and business alike.
"High quality, ambitious and comprehensive" was how TPP was begun and should guide its ending.
What the process has showed is that there are protectionist and anti-competitive forces at work even in the most open of trading economies.
That inevitably means that, despite the absurdities, negotiators and their business allies will have to pick themselves up in the aftermath of Maui and return to the continuing task of building a more seamless economy in the Asia Pacific region.
Stephen Jacobi is executive director of the NZ International Business Forum.