CPRK also has rights to a gold deposit on Drum Mountain. I think they want to mix some of that ore (or higher gold content ore from elsewhere) in with the Hidden Treasure ore.
Can't properly produce copper profitably so try gold.
The analogy is that your mechanic quit to go fix refrigerators.
Another brilliant display of leadership and flexibility within the business model.
MD could enhance his credibility by being honest with the investment community and saying they cant get the copper to work right so they are trying another revenue source. Ignoring that there is a problem is like Toyota trying to sell motorcycles and leaving their accelerator news out of the public.