You diversify because you don't know what's going to happen and want to spread risk. There are a lot of outcomes that can happen with CUU, but all of them (as far as I see) are positive and just effect how much we own.
75% Back-in? Good, we'll probably get bought out and has the shortest time-frame.
40/20% Back-in? Good, we'll probably sell the remainder to someone else and TECK will do a JV without any of the current time-line problems they might have
TECK walks away? Our value sky-rockets as we own 100% of one of the largest poryphyry deposits around and with metal prices climbing. A lot of Majors with a lot of cash on hand, and it's possible we see portions sold off, large dividends from the sell offs and continue to explore the rest of the area (which can probably be done for years to come if it's as big as most of us think it is).
Doom & Gloom? Stock price might go down, but we're buying into something with major gold and silver. Might not be as good as the physical stuff, but the value of the property just goes up and up.
Economy recovering? How much copper do we have again? How much will the world need?
Afraid of the company being sold for too little? Huge Insider ownership. They're gonna do what's best for them, and we're just a long for the ride. Don't have to worry about corruption and them paying themselves too much in bonuses etc. They get their money the same way we do, through the stock and selling the project.
Most companies have a downside should certain events unfold, but CUU doesn't have (much if any) that. You're already diversifying your risk of not knowing what the future holds by buying CUU. The only "problem" comes from entry point and when you buy, and that just comes down to how much you make, not if you make money or not. How many companies can you almost guarantee some profit no matter what, just how much do you make?