No, they 100% have services that buy data from SmartTV manufacturers like Vizio and sells this data to advertisers to help track attribution and campaign effect

No, they 100% have services that buy data from SmartTV manufacturers like Vizio and sells this data to advertisers to help track attribution and campaign effectiveness. A big one is iSpot.tv, the TV will use a fingerprint of your commercial and determine when/where it was watched, and help you tie back the attribution of a customer that visited your site.