It feels as though every US media giant with a market cap in and around $100 billion has been the subject of Roku acquisition speculation at some point. Now it’s the turn of Netflix to swirl – and the rumors aren’t all that farfetched. Given that Netflix has earmarked an ambitious target of Q4 2022 to launch its new ad-supported variant of the video streaming platform, it would make sense to acquire its way into the world of advertising, rather than spending months laboriously building an in-house ad tech stack from scratch, that might not even work. For Roku, however, we don’t think the feeling will be mutual. As a TV operating system provider, as well as an ad-supported streaming…