Clicking everything one by one can be a little bit tedious as shown here
A great solution would be that anywhere in the DAW, where applicable, you would be able to click and hold the cursor while dragging up and down to mute things, similar to how Blender / Photoshop implements this feature somewhere as part of their program. A simple solution would look something like this:
With FL 21 around the corner, I would love to see this simple yet effective feature be added