Look, you don't know what you are talking about Simandou. I am well aware of the Simandou deposit and probably am far more aware of it than you. Some facts, Rio wanted to develop the Simandou deposit but ran into slow progress and other issues. Asa result, it relied on its plan 2 been ramping up further production from its Pilbara projects and putting in place more capex. That is, if it could get Simandou up oni ts own timescale it would not have ramped up production in the Pilbara from its mines feeding ore into its Dampier and Cape Lambert export facilities. Very simple concept - it couldn't develop Simandou so it cold stacked it and ramped up production in the Pilbara instead.
Now if you want to talk iron ore, BHP and Rio have a lot of the iron ore in the Pilbara under State Agreement Acts with the Western Australian government from the 1960s and 1970s. As they exhaust mines they establish new ones under those agreements, and Simandou needs to be read in that context. Simandou remains a long term plan for Rio, just like it holds tenements in the Pilbara.
Point of this post - Simandou exemplifies my point that if AVZ deposit is cold stacked other options come on the table as Rio did when it couldn't get Simandou up and running in its own time frame. it also emplifies the point miss the boat in your timeline/this development cycle then the deposit is not developed for a long period of time. Ask Gorgon - LNG example - they missed the boat in the early 1990s then 2000s and now Gorgon comes on stream some 36 years after it was initially slated for production.
There are risks, everyone knows that with AVZ but frankly on Simandou and Rio development plans I a sorry you haven't understood what went down there. If Simandou got up Rio would not have undertaken their expansions in the Pilbara from 2005 onwards - that is an example of what happens when you miss the boat, it provides opportunity for other options to enter the market.
In terms of your TO comments, I have said on this forum I don't expect a TO anytime soon either and that AVZ need to think itself as a miner and if TO so be it in the interim.
All IMO IMO IMO
https://en.wikipedia.org/wiki/Simandou_mine