WTH can't we display the navigation bar / app header at the bottom of the dashbords, at small screen sizes, out of the box?

It would be great if you could decide by default without the use of addons or any HACS integrations that the navigation bar / app header is displayed at the bottom of the dashboard views, for small screen sizes on mobile phones or in the companion app. So that you can operate it with your thumb.

Sorry, I must have overlooked. It’s obsolete because: