Additionally, they underestimate the tractability of the problem.

Your post would be more convincing if you would provide an argument for why you think the cause is tractable.

Additionally, the GiveWell open philanthropy project evaluation of developing world tobacco control is laughable, and focusses almost entirely on the WHO MPOWER recommendations. Gosh, who did that research?

Insulting people isn't helpful. It's not a full investigation of the course area but as they say a limited look at the subject.