Givewell are analysts, not producers of good, and are explicitly trying to guide people to the best choice (within a set of constraints).
A lot of the mission of Givewell is also EA movement building. By advocating the standard that evidence is important existing charities will focus on on finding evidence for their claims.
A lot of the mission of Givewell is also EA movement building. By advocating the standard that evidence is important existing charities will focus on on finding evidence for their claims.