We could be very unfair to Roku, a company with an advertising business that has just announced report findings that paint a rosy picture for advertising in streaming video services. ‘Beyond the :30 On Streaming TV,’ to give the report its full awkward title, was created by Roku and Magna, a firm that describes itself as a media investment and intelligence company. The report has three main focus areas: driving ad acceptance through improved streaming TV ads, moving beyond traditional ads, and an exploration of ad formats and their success rates. The question at the heart of the problem is how to make advertising less offensive. This industry has an annoying habit of trying to dress advertising up as some…