His problem may be learning about those concepts from snake-oil sellers - he mentions he didn't bother to read GoF and gets his knowledge from things like http:

His problem may be learning about those concepts from snake-oil sellers - he mentions he didn't bother to read GoF and gets his knowledge from things like http://www.dofactory.com/products/net-design-pattern-framework http://www.dofactory.com/products/net-design-pattern-framewo... . My advice is to learn from people like Martin Fowler or Kent Beck and if you want to look at companies, look at something like ThoughWorks.