> The former, I wish we could actually do something about, but China is so dominant on the world Aluminium markets that even if you didn't buy from them directly, all you're doing is substituting yourself for another buyer — boycotting Chinese aluminium is probably possible, but is like trying to get private individuals to boycott Nestlé.

Hey, I boycott Nestlé and find it pretty low-effort; I expect boycotting Chinese aluminum would be much more difficult.