Yes, it is entirely the same and I would be most surprised if anyone reading didn't realise this. It is sales material, from Canonical to err, help sell its product..

Was this a massive revelation to you?

Yes, I agree it's a basic document and I don't disagree with your points... Why didn't you say that to start with, instead of being personally rude about the author?

You had to research the author on linkedin, rather than simply looking at the bottom of the PDF where he clearly identifies himself as a Sales Engineer?