Comcast is really getting its teeth into the whole ad tech minefield, lunging for the jugular this week as the world’s largest cable TV operator turned media powerhouse takes on the bigger half of the online advertising duopoly. First blood in a war of disparate titans sees Comcast accuse Google of waving privacy concerns to hinder its video ad arm FreeWheel from selling ads on YouTube – firing a warning shot to Google that it won’t stand for such anti-competitive practices where its beloved video is concerned. While Google is no stranger to scrutiny and legal action, more recently mounting in both volume and severity, the company and its parent Alphabet have seldom seen an attack on this scale –…