they were able to prove the demand for the product would...

they were able to prove the demand for the product would continue to increase such that revenue was guaranteed

To clarify, this is due to the superiority of the product and acceptance by medical leaders, and projecting demand trends which were sustained, and on extremely high trends. That's where the certainty element comes in.

If the same can be said of a metal in high demand, looking at the market futures and supply projections...it all depends on how robust the case being made to financiers. My bet is they concentrate better than punters on the ASX scared off by anything to do with Mexico.