Board Thread:Questions and Answers/@comment-27648912-20140102051735/@comment-178.219.4.83-20140421093038

Ehh, not really. It's later (in that episode?) revealed that he was there because Angel had to thank him - otherwise she wouldn't be able to move on. So no, he wasn't really a glitch, even though that kind of afterlife wasn't made for people like him.