You can't really blame the process if you aren't following it. If your assertion is just that most companies suck at developing software, then I agree with tha

You can't really blame the process if you aren't following it. If your assertion is just that most companies suck at developing software, then I agree with that. However, it isn't because they are following Agile. In most cases, things would be somewhat improved if they followed Agile more closely.