[infool7]

I think that iron and nickle are significantly

different from gold in that they are much more

useful for building things especially structures,

I think the point of the video is that

they are well worth the effort to obtain.

7

[discostu]

Even then demand is finite. Flood the market the prices plunges. Then it becomes not worth the effort. Mining asteroids is a good idea, but it can become a very bad idea.