They should probably post a prominent message on the home page saying all this has been superceded by guidance provided by the Visual Studio ALM Rangers. If you are interested in this content, take a look at
The stuff remaining on this P&P site is of historical significance. It has some useful ideas still, and is worth keeping, but the ALM Rangers have invested huge amounts of time over the last few years. They have been prolific in producing
guidance drawn from their consulting practices.
I hope the links are helpful to you.