"these positive results do not mean that Zenyatta can extract and process Albany graphite for high purity graphite applications on an economic basis").

You'll also find that, although possibly true, this language is also required to remain within requirements for providing non-misleading information.

One also has to interpret information, recognizing that the material near surface came from the depths owing to the nature of the mineralization, so what are the odds that the find won't provide continous rewards.