That the author writes for a company that sells products (tools for analyzing dns and web shenanigans) doesn't make the post an'ad' does it? What struck me in p

That the author writes for a company that sells products (tools for analyzing dns and web shenanigans) doesn't make the post an'ad' does it? What struck me in particular was that if it's this easy (granted, using custom tools) to track these kinds of activities, why doesn't Google do it for us and block these (long list of related) domains from search results?