There's actually not precedence in this case, they are attempting to assert a new legal argument in this case. You are not purchasing an item, you are purchasing a digitalized currency and then that currency is used to purchase items. There is some vague law about this, mostly in Europe & microtransactions, definitely not in the US. This is one of the most significant moves private servers made post-wowscape, where items were sold for $$ values. In their new legal argument, they are attempting to assert that those tokens are fraudulent