yeah that works

src/debug.rs

@@ -97,7 +97,7 @@ fn init_debug_ui(mut commands: Commands) {
             justify_self: JustifySelf::Start,
             ..default()
         },
-    ));
+    )).observe(close_on_click);
 
     // "Turn on Debugging" button
     commands
@@ -390,3 +390,12 @@ fn toggle_debug(
         DebuggingState::Off => DebuggingState::On,
     });
 }
+
+fn close_on_click(
+    trigger: Trigger<Pointer<Click>>,
+    mut query: Query<&mut Visibility>,
+) {
+    if let Ok(mut v) = query.get_mut(trigger.target()) {
+        *v = Visibility::Hidden;
+    }
+}

src/ui.rs

@@ -163,11 +163,12 @@ pub struct SyncResource<R: Resource + Default + Display>(R);
 ///
 /// Mostly useful for quick n' dirty getting data to the user
 pub fn sync_resource_to_ui<R: Resource + Default + Display>(
-    mut q: Query<&mut Text, With<SyncResource<R>>>,
+    mut q: Query<(&mut Text, &mut Visibility), With<SyncResource<R>>>,
     r: Res<R>,
 ) {
-    q.iter_mut().for_each(|mut t| {
+    q.iter_mut().for_each(|(mut t, mut v)| {
         t.0 = format!("{}", *r);
+        *v = Visibility::Inherited;
     });
 }