Absolutely not KLL specific. Fx was raised in the context of...

Absolutely not KLL specific.
Fx was raised in the context of risks leading up to start up. The KLL updated modelling does use a Fx that is now along way from the current rate.
I think most people are now focused on plant commissioning risk, "running out of cash" risk and possibly brine supply risk. They are also trying to put a number on the future SP which will start to be based on some ratio of earnings.
IMO there is no point in posters deluding themselves that earnings are going to come from a 0.65 exchange rate and US$600/T plus SOP prices when this is at odds with the market rates and information provided by the company.

All we know about the sales price is:

"Pricing is linked to the sales price realised by K+S, which will also receive a marketing fee for selling and distributing the SOP product."

No mention of hedging