Google listened and the old Do Not Disturb tile looks like it is coming back. At the very least it is being tested in Android 16 Beta 4. Tap once, and DND is enabled. No menus or modes required ...

Update: May 21, 2025 (5:05 PM ET): We have learned that the icon for the Modes tile is not a dedicated Do Not Disturb toggle. Rather, it only works as a toggle for DND if it is the last mode you ...