I doubt he's actually doing a lot of the ground work. He may well be talking about it on radio hoping to spark some interest - maybe there is a kid playing footy out there who has a kiwi grandparent bu never thought about playing for us. You don't look you'll never find anything. I f this "search" gets zero results then it confirms our position of having no depth and no-one challenging the current squad - if it draws out one or two Winston's who play off shore and have NZ ancestory then brilliant.
Check out "the void" in NZF's player data base on www.stuff.co.nz . Worthington's latest