How much of this is an "end" to Chromecast and a rebranding of Chromecast to "Google TV Streamer"? It seems like the bare-bones experience of a Chromecast being tied to a phone (or browser) is getting replaced with an Apple TV like experience. If this is the case, it might be a (rare) example of a good branding shift from Google. I have had two Chromecasts (the original and an Ultra) and I feel like both were hampere…
The 4K Chromecast "with Google TV" basically was that already, since it has the full-screen menu-based interface and remote. It seems a bit silly to me that they're tossing the brand aside but maybe they're doing that for exactly this reason.
Now they are just killing the Chromecast branding for now. But they've been known to kill a brand only to resurrect it a few years later.