So this sounds like using one of the Youtube Downloader applications could land you in hot water -- even though there isn't any cryptographic DRM on youtube vid

So this sounds like using one of the Youtube Downloader applications could land you in hot water -- even though there isn't any cryptographic DRM on youtube videos, it could be argued that since there isn't a Download button on the page, this is an "effective DRM measure", and that the downloader app could be a circumvention measure.