The simple answer to your question is "What have you done for me lately?"
Those results are old and not in the public mind right now. This is why Rick Mark and and the IR depts of his companies will re-release results from time to time.
Attention needs to be drawn to something like that, over and over.
VMS may have the goods and they are awesome in my opinion, but HBM has the infrastructure and the balance sheet to build a mine. 600 MM market cap increase is warranted for a producer, especially when the say that the Zn prices will pay for all costs which makes everything else essentially free.
Hard to compete with that.