This is nothing more than a bricks-and-mortar version of spam. Misleading subject? Check. Message scrambled so it can pass through the spam filter? Check. Exacerbating traffic congestion at pipe owner's expense? Check. Millions of people's time wasted? Check.
Ok, spam is not genocide, and ok, it moves product. But to make it into an inspiring Young-Entrepreneur-Breaking-The-Rules story? Give me a break.