Now my reply would have had a purpose. This is a somewhat annoying way to conduct a discussion.
I also have some experience in marketing, and lying is a cardinal sin. Emphasizing positives while downplaying negatives is not lying. Everyone does that all the time. No one is legally or morally required to tell the whole truth except under oath in a court of law. That Lockheed Martin does not release all the information they have (they are most certainly under legal obligations not to do so) does not mean that people should just fill in the blanks with whatever tickles their fancy. That road leads to tin foil hats, spitting astronauts in the face, and soccer moms not vaccinating their kids.
If Microsoft outlines their data collection and the purpose for it in the license, it is not a back door as I understand the definition. Going by wiki: "A backdoor in a computer system (or cryptosystem or algorithm) is a method of bypassing normal authentication, securing unauthorized remote access to a computer, obtaining access to plaintext, and so on, while attempting to remain undetected. The backdoor may take the form of a hidden part of a program,[1] a separate program (e.g., Back Orifice) may subvert the system through a rootkit."
That Microsoft needs to collect some data is understandable. Just like your accountant needs to look at your financial records, and your mechanic needs to inspect your car. The conspiracy theory is that Microsoft is allowing, willingly or under duress, the alphabet agencies or other "nefarious organizations" access to spy on people and companies.