The Mexican Nux fans are more Davila/Mexico/general football fans. There was a group of Mexicans who live in Sydney who decided to go to some football games in Sydney. They discovered that Davila was the only Mexican in the league and thus went to the ESFC vs Nux game, wearing Mexico colours and pretty much solely cheering him on.
The Nux club management decided to capitalise on it, and since they're not playing in NZ, basically make the group fans for hire for their game vs WSW. They paid for the bus down to the Gong and gave them Nux flags etc.
I think they offer something good for