Agreed, the answer summary is very weak on this question and I've seen that on a lot of others too. Anybody can edit an answer summary to improve it, but I ve

Agreed, the answer summary is very weak on this question and I've seen that on a lot of others too. Anybody can edit an answer summary to improve it, but I very rarely do: it's too hard to do justice to individual answers without imposing my own viewpoint. Also, they've set it up so there's a lot more incentive to put work into an individual answer than work on the summary.