Thinking back to my manual days... If I'm on flat ground and at a stop, I preferred to have stick in neutral and no pedals engaged, foot over accelerator. If I slowly rolled forward, I'd press the brake. If I rolled backwards, I'd engage clutch, put the stick into 1st gear and gently accelerate forward a little, let the car roll back a little, and repeat till traffic got moving. Obviously I wouldn't go crazy with the back and forth rolling cause it likely annoys whoever is behind me.
But the point here is that in a no creep with a manual, you can't have an SUA unless your stick is in gear OR you release the clutch. In either situation, all you get is super high revving of the engine while the car remains in neutral.
Another unique aspect of manual driving: you learn quickly on your very first day that it's easy to stall out the engine if you don't operate the clutch correctly. Because of that, you develop an instinct to press down on the clutch whenever your brain doesn't know how to react to the situation. Emergency stopping situations, for me anyway, was always a two-pedal depress: brake AND clutch, so you don't stall out when the car stops. Now, if I accidentally pressed accelerator and clutch, the car wouldn't slow, but it wouldn't speed up either.
So I think the presence of the clutch in a manual significantly reduces SUA events, given that the driver isn't still learning how to operate the clutch.
But the point here is that in a no creep with a manual, you can't have an SUA unless your stick is in gear OR you release the clutch. In either situation, all you get is super high revving of the engine while the car remains in neutral.
Another unique aspect of manual driving: you learn quickly on your very first day that it's easy to stall out the engine if you don't operate the clutch correctly. Because of that, you develop an instinct to press down on the clutch whenever your brain doesn't know how to react to the situation. Emergency stopping situations, for me anyway, was always a two-pedal depress: brake AND clutch, so you don't stall out when the car stops. Now, if I accidentally pressed accelerator and clutch, the car wouldn't slow, but it wouldn't speed up either.
So I think the presence of the clutch in a manual significantly reduces SUA events, given that the driver isn't still learning how to operate the clutch.