Johns says the NRL should be doing more to embrace and harness the growing numbers of Kiwi and Pasifika players involved in the Australian-centric competitions, both at the junior and elite levels. The huge numbers of New Zealand rugby union players are another source that has not been fully exploited and he says the Nines could appeal more to some of the 15-man code's bigger men.
"I think it's 50 per cent of players in the Holden Cup are from Pacific Island background. In 20 years' time it's going to be up around 60 per cent in the NRL. If we can get to the islands and get it through New Zealand and build the game, it's built for the bigger bodies. There's more space to move and it's more open than rugby union and I can imagine it would be more enjoyable for those guys to play."
Johns, who is travelling around New Zealand promoting the 2015 NRL Auckland Nines, believes the event can build on the success of this year's inaugural tournament and capture the imagination of the wider public.
"It's definitely the best weekend of rugby league I've ever seen, enjoyment wise, and the best weekend of sport I've been involved in.
"Obviously I love league but even if you're not a league fan there's so much entertainment."
Having helped his beloved Knights to two premiership wins, in 1997 and 2003, Johns is well qualified to comment on this year's halfbacks.
"I love the way Mitchell Pearce is playing for the Roosters." But he says South Sydney's Adam Reynolds has taken his game to a new level this year, running the ball more. "I think South Sydney [are] the team to beat."