I see your point - proving such market manipulation is difficult...

I see your point - proving such market manipulation is difficult when governments are so constrained by cognitive dissonance caused by 'green sentiment politics , and economic realities.
My commentary on STO signing a new LNG contract with Singapore in a sense supports your contention - government policies which superficially seem to hamstring than he likes of STO only result in such international companies going more international.
It is still bizarre that Twiggy has gone ahead with a $billion investment, which after 12months construction is nearing completion, still doesn't have formal permission to add his LNG to NSW gas pipeline network ... but he must be very confident that wont be a problem.
LNG imports for Victoria are coming so the Labor Government can maintain the illusion that NetZero '50 will be achieved and there be no new Coal mines or gas fields ... in Australia. This is too serious to LOL.