Given there are multiple examples of smoke and mirror...

Given there are multiple examples of smoke and mirror deposits/resources that can be referenced, it is valid as one end of the spectrum here. 

Were you buying into ABM’s old pirate back when they were getting high grade trench samples and winning D&D awards? That was always going to end in tears, which I was flamed for at the time (different sample support, poor sample quality, poor estimation methodology to name a few).