I believe he means when he responded "Yes" to the final question (as in "Yes, I have the PDF file for the business card"), he was lying and had nothing. So he quickly searched SO and found what he needed.
Sometimes, that's just what Stack Overflow is there for: a quickly accessible CYA!
It was a lie though, the fact you can then go on to do something such that the other party is never aware of the lie does not stop it from being a lie.
Most interactions are full of such lies, particularly between people with very different skill sets. Lies are social lubricants, and often have very little drama associated with them.
We do however have an interesting social stigma associated with the term "lie", much like "manipulate".
Sometimes, that's just what Stack Overflow is there for: a quickly accessible CYA!