If you follow his advice, you will be more secure. In the same way that you will be more secure if you never leave your bedroom.
I believe his description of Windows Messaging Service is incorrect. Anybody care to comment on this?
I believe that part is great. It competes to those assholes who sell programs to remove messaging for $ 30.
However, if you're behind a NAT box, you can't get these kind of messages from the outside (unless you mod your NAT box to forward them
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).
I believe it isn't a vurnability, it technically doesn't do any harm at all.
And besides, Windows users choose a crappy operating system, they should get what they bought.