Remember that the most valuable antiques are dear old friends.
At that moment, Harry fully understood for the first time why people said Dumbledore was the only wizard Voldemort had ever feared. The look upon Dumbledore's face as he stared down at the unconscious form of Mad-Eye moody was more terrible than Harry could have ever imagined. There was no benign smile upon Dumbledore's face, no twinkle in the eyes behind the spectacles. There was cold fury in every line of the ancient face; a sense of power radiated from Dumbledore as though he were giving off burning heat.
You can argue that it's a different world now than the one when Matthew Shepard was killed, but there is a subtle difference between tolerance and acceptance. It's the distance between moving into the cul-de-sac and having your next door neighbor trust you to keep an eye on her preschool daughter for a few minutes while she runs out to the post office. It's the chasm between being invited to a colleague's wedding with your same-sex partner and being able to slow-dance without the other guests whispering.