Earlier quoted context omitted.
Over 500,000 people die of cancer in the US, and over 8 million worldwide. Maybe you can't do something about one particular person today but millions of more future deaths can be prevented. Some of the people here will be dying "early" deaths in 10 or 20 years. You won't be saying: "well, you've gotta go someday when you have a couple of kids", for example.
I like your post, but before you will inspire few folks to visit some cancer fighting "non-profit" venture, it is important to look at cancer further then just those companies that are fighting it (but of course would never want to end it for good - I mean after all they have a lifetime mission (and salaries to pay), right?) You see, cancer was a tiny spot on radar just 50 years ago. Or 100 even more. So the question…
Do you know how cancer biology works?
Accumulated cell and nuclear damage from an endless assortment of factors cause cells to enter disease states. When certain errant states that regulate cell proliferation and apoptosis begin to accumulate, cell populations begin to drift into the cancer territory.
The number one cause of cancer is life. There are accelerating factors in the environment, for sure, but cancer is simply an error state of our biology. It's the machinery of higher order life breaking down and entering a pattern that doesn't self-regulate.