All of the Death Eaters and their spouses were expected to attend the funeral held on the castle grounds. To not show the proper amount of respect would've been tantamount to openly declaring they were rebels themselves. Hermione had no desire to go and pretend that she wasn't internally jumping for joy at the knowledge that she would never have to see the Dark Lord's face ever again. Some of the fear that had become part of who she was since the day she was dragged from her broom cupboard and tossed at his feet was beginning to disappear. For more than twenty years she lived in terror of the wizard. If only he could've been killed instead of Harry... how much better would their world have been?