The argument that people might die on Half Dome so it shouldn't be so accessible is as illogical as saying that people might die in a car crash while driving Tioga Road so it shouldn't be open. Of course someone could die on Half Dome. Or on the highways. Or at Glacier Point. There is reasonable risk for great reward in Yosemite. The careless fool who climbs over the guard-rail, splashes in the water, and washes to his death over the falls shouldn't be a reason that the rest of us to miss the spectacles that this park offers, including the Half Dome ascent. Check the stats; most of the Half Dome deaths have occurred when the cables are down for the season and the Park Service recommends NOT making the climbg.