What is the article even talking about? Netbooks are destroying things? Netbooks are the best thing to happen for ages.
From the article: [Netbooks] are cannibalizing Windows PC sales at an alarming rate. By comparison, laptops commanded higher margins and average selling prices when their popularity started to increase. PC manufacturers -- and even Microsoft -- benefited from notebooks' reversing the trend of falling computer ASPs; for a time. By comparison, netbooks are a plague, because they dramatically lower ASPs and margins and…
Given that most netbooks now run XP, (and shortly should be shipping with Windows 7 given the focus on performance) how can they be "cannibalizing Windows PC sales". The whole quote makes no sense, unless the low margins on netbooks are being passed on to Microsoft.
edit: despite the title the actual premise of the article is that Apple are declaring war on Windows 7. Given that netbooks will shortly be running Windows 7, how are they a disadvantage for Microsoft - in reality, mass produced, low-margin cheap netbooks must surely be a huge worry for a high margin retailer like Apple.