Mostly to be more efficient and save water, though I couldn’t fathom how that would work with a toilet. Perhaps it’s part of a system to monitor your water usage to help you reduce your use? Maybe the app suggests to let it mellow when it’s yellow?

Yeah I think the meaning of the above comment boils down to “If it doesn’t have a simple fallback, it can’t be trusted”.

https://www.youtube.com/watch?v=DdJbW8sKa9M

You should just post the articles and videos.