David Seymour: What does the Prime Minister say to the dozens of people who have commented on her Facebook page on Friday to say there was nothing in those 1 April changes for middle-class working New Zealanders who aren't receiving benefits, such as Amy McKenzie, who said "What about all the Kiwis paying taxes for this 'extra support'? How does this help us help our own families while we're working hard to try and keep up with the rising costs of living also?"?