I know people have strong reactions to her and her sensational style, but that is a serious recommendation from a knowledgeable person, so I think we can give this thread a second chance. (Someone emailed and asked us to.)

All: please let's keep the comments on topic and substantive (and avoid the sensationalism and personality aspects).

Edit: this subthread was getting too off-topic so I moved the replies to https://news.ycombinator.com/item?id=41814764. Feel free to reply there if you want.