I think that you're assigning more meaning to the words "like" and "get along with" than the authors intend. Pretty much everywhere they use one of those phras

I think that you're assigning more meaning to the words "like" and "get along with" than the authors intend. Pretty much everywhere they use one of those phrases it should be qualified like "X _say they_ like Y". But that gets tedious, and I think the authors are also making the assumption that you were paying attention when they explained where these numbers come from. Note that the end of the article is leading directly into the objections that people keep making along the lines of "this doesn't mean that these people really get along in real life", and the conflict between what people say they are looking for and the choices they actually make about who to contact and respond to.