Brooklyn Heights residents annoyed about noise from the 10,000 additional tourist helicopters that will fly over the borough starting in April aren't getting much sympathy from the city. At a meeting last week, city officials told frustrated Brooklyn residents that there are alternate routes the helicopters can take to cut down on noise. But the pilots aren't actually required to take them. And how would the tourists see real live Brooklynites if the choppers changed routes? [BK Paper; previously]