Earlier quoted context omitted.
How so?
When you see the word "campaign" associated with email, it means "marketing campaign", which means spam. Canada is having a crackdown on spam. "CRTC Chief Compliance and Enforcement Officer issues $1.1 million penalty to Compu-Finder for spamming Canadians" ... "Compu-Finder sent commercial electronic messages without the recipient’s consent as well as emails in which the unsubscribe mechanisms did not function prope…
The Canadian laws (despite being irrelevant in this conversation) prevent against e-mails _without consent_ and _without unsubscribe mechanisms_. Coincidentally, those are the same requirements of 99% of all blacklists and spam tools that differentiate spam from marketing campaigns.
By your definition, MailChimp is a spam tool too.