After hitting a nerve with the public in a promotional video for its new iPads, Apple has apologized for the ad, which sees musical instruments and other creative resources being crushed by a gigantic press. In the video, viewers see the likes of a piano, trumpet, pots of paint, cameras, a sculpture and a video game machine twisting, shattering and bursting as they are compressed. Then, when the press opens again, all that’s left is an iPad. The sheer level of destruction in the ad, which had been intended to sensationalize the capabilities of Apple’s recently unveiled iPad Pro models, sparked…