I think he did learn the lesson, but then his fix for it was removed in the cost-cutting phase. http://www.telegraph.co.uk/news/newstopics/howaboutthat/1029061

I think he did learn the lesson, but then his fix for it was removed in the cost-cutting phase. http://www.telegraph.co.uk/news/newstopics/howaboutthat/10290615/Cost-cutting-could-have-caused-Walkie-Talkie-skyscraper-ray-damage.html http://www.telegraph.co.uk/news/newstopics/howaboutthat/1029...