Just like the numbers and accountant analogy, on your reasoning,...

Just like the numbers and accountant analogy, on your reasoning, the richest people in the world would be historians.

The missing part of your reasoning is "who are the customers in 1970s" and "who are the customers in 2010"? You are making a pretty big assumption that the only use for these detectors is to find gold.

But anyway, as expected from human bias, you see what you choose to see.

There is also no need to reply to your continual "dodgy African countries" generalisation.

And the Buffet quotes are really getting lame. Seriously.

I could equally say time will tell, but that would be equally lame.