Incorrect. Non power assist brakes on a car took a lot of foot power to get the brakes to grab hard, a lot of women and some men could not apply the brakes hard enough in a panic stop to brake fast enough. However, once the adhesion limits of the tires were reached it didn't matter if you had non power or power brakes. You don't have that problem with single vs dual pivot brakes. If you can't squeeze a properly working single pivot brake lever then your too weak to be riding a bike. If a 7 year old girl can squeeze cheap poorly working single pivot brakes on a Walmart bike then anyone without a handicap can squeeze good ones and do so effortlessly.