The Christchurch Call to Action is much more than the collection of well-meaning words sprinkled in stardust that many feared.

The scope of the agreement and the level of buy-in is impressive, given it is only two months since the terror attack on March 15 and there were also a number of pressing issues to attend to: supporting victims' families, changing gun laws, running a national memorial service, and setting up a Royal Commission of Inquiry.

The Call to Action went further than expected in terms of tech companies pledging to not only review their profit-hungry business models, but