On MacOs, it's not possible to tun off the tap-to-drag release delay. So you may often end up dragging stuff around even after you think you're done dragging. T

On MacOs, it's not possible to tun off the tap-to-drag release delay. So you may often end up dragging stuff around even after you think you're done dragging. The physical button helps ensure you get it right when you really need to (so the use case for the physical button is a workaround for the wonky software).