Can't Rails and Node play together (see: http://www.perfectline.ee/blog/optimizing-ruby-on-rails-application-with-nodejs http://www.perfectline.ee/blog/optimizi

Can't Rails and Node play together (see: http://www.perfectline.ee/blog/optimizing-ruby-on-rails-application-with-nodejs http://www.perfectline.ee/blog/optimizing-ruby-on-rails-appl...)? To me it falls back to 'the best tool for the job'. Both Rails and Node have their strong points.