Oh, I do
The difference between 25% and 75% is drastic on my car.
I'm concerned that I may get a ticket for "display of speed", or something. Sometimes I have to not give any gas coming from a stop, and always have to slip the clutch a bit, to not spin the tires.
At 75% throttle, my car would do the ? mile in about 17 seconds (at 90+%, it does high 13s).
I acknowledge that in normal cars, it wouldn't make much difference.
My car is far from normal, though.