Many of us have already started a boycott against them last month, by stopping all of our donations.
Ah, OK. I don't really think of not contributing to a non-profit as boycotting it, but I get what you mean now.
They have no vested interest in curing cancer, anymore than the DEA has a vested interest in stopping the flow of illegal drugs.
If cancer goes away, so do their do nothing, propagandizing, no-heavy-lifting jobs.