Depends on local weather conditions. Anywhere that road salt is used in winter, some hard braking regularly is extremely beneficial. Road salt is not only corrosive, it's also hygroscopic, so you really want to clean that shit off.
As for wearing out brake rotors prematurely - even with aggressive braking they last more than 50k miles. So on average you'd replace them less often than every 5 years, and they cost around around $250 for a set of four. Doesn't seem like a very good get-rich-scheme for the mechanic.
As for wearing out brake rotors prematurely - even with aggressive braking they last more than 50k miles. So on average you'd replace them less often than every 5 years, and they cost around around $250 for a set of four. Doesn't seem like a very good get-rich-scheme for the mechanic.