The grades are not high (so far), maybe not that big of a...

The grades are not high (so far), maybe not that big of a problem in the long run.
BHP’s Chief Technical Officer Laura Tyler said in a speech to a mining conference in Toronto:
Nickel production would need to increase nearly fourfold to meet forecast demand for electric and hybrid vehicles, Tyler said Wednesday. Likewise, copper output would also need to grow exponentially to meet demand from sectors including renewable power generation and fast-charging infrastructure.
There is potential.