No one ever held a press meeting and officially said that Chromium is supported by Chromecast (Chromium doesn't even officially exist as a product), but you cou

No one ever held a press meeting and officially said that Chromium is supported by Chromecast (Chromium doesn't even officially exist as a product), but you could use Chromium with the Google Cast extension and it worked, anyways. So, yes, legally speaking Google is doing no wrong here, but morally speaking it's not that great.