My problem with the thing is simply that there are other equally (and perhaps MORE) worthwhile causes. More people die of colon and lung cancer than breast cancer. About the same number die of pancreatic cancer. And I'm ignoring non-cancer diseases. Why do the NCAA, NFL, NBA, MLB, Target, Walmart, etc. ad nauseum ignore those causes? (Quick: tell me what the NFL did for Colon cancer this year?)
I'll tell you why: because the whole 'pink' thing is a genius marketing tool that makes these institutions look good in a very visible sense. It's not because they actually 'care' (or else the other big killers would get similar treatment). This is great for breast-cancer fundraising (which is certainly a worthwhile cause), but it completely exposes the shallowness of the sponsor organizations.
It goes like this:
"hmm, should we do the pink breast cancer thing again this year?"
"Well, actually lots more people die of colon cancer, how 'bout we mix it up and rotate in something for colon cancer?"
"There's no colon cancer fundraising meme. I don't care if it kills more people, I want our logo in pink on newscasts!"