There’s a brand new stadium in tvl where playing the other qld teams would be sold outCairns got 8k to their only NRL game last year and Rabbitohs aren’t going back this year. Small city, shit “stadium”, not likely to win over many if any local fans to a PNG team. Hardly the slam dunk backup option you seem to think it is.
If the training base is the backup option should the PNG side of it fail then they should just set it up in Brisbane. At least that way there would be something salvageable if it goes belly up.
plus there’s potential corporate support of qld and far north qld which will be decent