It will not sound that important to u all but I think that if we have a widget that we can used to turn off and on notifications of selected apps with just a click.
I will give an example about where it will be useful - u need to give your phone to your parents but you are scared of your texting u at that wrong time. Just 1 click and the notifications are off and on with another click. U will not be needed to go through the whole settings to do the same thing.