I live a long way from the UK so maybe I don't understand the situation properly. It could also mean that I focus on the overall situation and don't get sidetracked by details. You decide.
Those that are aware of RL in the UK understand that the code needs a broader spread of clubs and supporters. A successful London club is an important part of that. The idea that is sometimes floated is that the responsibility falls on the professional SL clubs to grow the game because it is in their long term interest to me seems idealistic.
SL clubs are doing it tough with reduced media return etc. so that is where their finances go. The only ones likely to sustain a SL presence are those supported by benefactor owners putting in money to keep them viable. That is their primary focus.
It's easy to talk about what clubs should do but to achieve anything meaningful will involve an ongoing cost so is it realistic to think that will happen? The notion that all the SL clubs will unite in a vision of pursuing the greater good of the game and will put up what's necessary to achieve anything like what's really needed doesn't seem realistic to me.
So rather than wheel out it's in their best interest mantra, what the sport needs is a strong governing body in the UK. Perhaps that's why the governing body of the sport in Australia (the NRL) getting involved could shift the control of the sport to a neutral governing body overseeing it with the resources required to spread the game and let the clubs do what they are supposed to do, run successful clubs.
If the game in the UK continues as it is, it will get what is getting and has been getting. RL in the UK needs a major overhaul of its governance and with that finances to help the code grow. Can I see that happening or retention of the status quo? Probably the latter.