Mostly Critical
http://java.dzone.com/news/why-functional-programming
http://devblog.guidewire.com/2008/10/03/dont-believe-the-hype/
http://www.benrady.com/2010/06/a-bit-of-heresy-functional-languages-are-overrated.html
http://notes.ericjiang.com/posts/751
http://noelwelsh.com/programming/2012/09/03/sex-lies-and-javascript/
http://cbcg.net/blog/2012/02/03/if-youre-using-nodejs-youre-doing-life-wrong/
http://news.ycombinator.com/item?id=4495101
http://www.semitwist.com/mirror/node-js-is-cancer.html
https://www.youtube.com/watch?v=bzkRVzciAZg ("s" added to "http" to prevent auto-run)
Mixed or Unclassified
http://discuss.joelonsoftware.com/default.asp?joel.3.372279.33
http://www.facebook.com/events/377386138940376/
http://stackoverflow.com/questions/24584427/tj-holowaychuks-criticisms-of-nodejs
http://rebelscience.blogspot.com/2007/09/functional-programming-is-worse-than.html