That's an outright lie!!
Having used it and nitromethane for years racing there is nothing superior about it unless you eliminate cost and efficiency as being immaterial.
Racers use methanol, not ethanol. But even methanol is superior to gasoline. Otherwise, why would a racer use it?
They don’t use it to handicap themselves.
It’s common knowledge that the old time moonshiners used to burn moonshine in their modified cars to make them go faster.