I don't have time to read 50 pages of replies to see if anybody said what I'm about to say but here is my 2 cents.....
I did see one reply mention radiation and how humans couldn't survive. Recently, the past year, there were articles and news stories about some sort of force field (NOT the magnetic field), that circles Earth but goes out 8,000 miles which would supposedly protect from killer electrons. Since the moon is beyond this, could lead credibility to it not have happening. http://www.huffingtonpost.com/2014/12/01/earth-invisible-force-field_n_6245942.html
Just because one can see man made objects on the moon doesn't mean man was on it. We have objects on mars now, but no men on mars.
I do wonder how they so quickly were able to put man on the moon so long ago yet a year or 2 ago I read USA wanted to do it again but it would take at least 11 years. If we had already done it, why would it take so long to do it again?
The moon conspiracy theory though doesn't really change anything though whether man was on it or not.