Just want to put this one out there again. There are people who think they can seriously profit from this.
www.universetoday.com
www.newscientist.com

A New Company Plans to Prospect the Moon
Helium-3 (He-3) on the Moon's surface has drawn attention for decades. In 1939, a paper first noted the presence of Helium-3 on the Moon. Still, it really came into the collective consciousness of space resource enthusiasts during the 1980s when they realized just how valuable a resource it was...

How a start-up plans to mine the moon for a rare form of helium
A private moon mission planned for 2027 will be the first step towards commercial lunar mining of rare and expensive helium-3