Titania protested, and threatened to get the nurse, and even held the call button in her hand, almost pressing it while the boy shoved steak into his mouth and Oberon laughed.
While both the left and right mouse buttons do require a solid press, they're large and responsive all the way up to the apex of the mouse, and there's actually only a single spot (on the extreme upper-right-hand corner of the right mouse button) where it won't actuate if pressed down.