It’s certainly a possibility to change mindshare through growth and some switching to League from Union of “Rugby” in US. However important to remember that it is not starting from equal footing but a bit behind.
From the Matt Damon South African World Cup / Mandela movie, women’s rugby being somewhat pervasive and played at US college level, when rugby is mentioned in US pop culture like Friends episode where Ross plays with fiancé Emily’s friends, etc. it is always Union.
So it is not just the viewers seeing this and thus having it back of mind “Rugby equals this”, but also administrator’s decisions whether in Hollywood or Academia are opting for Union when they are inclined to have “rugby” be part of something.
As a longtime marketer based here in US, if I was running this as a campaign, I would find a YOUNG “relevant” well known in US market, Australian and US celebrity, and do a fun ongoing spoof of the two of them teaching each other funny things about the other’s culture. The twist being the Aussie person is teaching relevant things about “League” and the culture around it. Think like Margot Robbie and Michael B Jordan.
It would be hella expensive but you could actually capture attention and open/change minds of the group that matters in long term. Bc of tourism benefit, you could get maybe Australia Tourism, Qantas, etc. to play a part too with upfront costs.
In absence of something like this, in noisy and attention deficit US market, at best it will be super niche, and worse just another juncket for aussies and expats.