What was the loss of life in Vietnam for in the end?

You could say that the vietnam war was about greed. Its a well known fact that american industrial enterprises made huge amounts of $ from the war.. |If you read some of the details about the rip off costs that where charged to the US GOVERNMENT you would understand why i say greed was one of the main motivations of the war like wise the same companies that made huge amounts of $ from the vietnam war have made huge amounts of $ from the kuwait conflict, iraq and Afghanistan wars.. Greed greed greed.