I believe there is a difference between hating/attacking a person/group of individuals and tearing ideas, opinions and actions apart. Hating Jews, Christians, Muslims, black people, laplanders, etc. is bad. Hating Christianity, the ideals of Scientology, zonalon, etc. is good.

It probably does not fall under the same title as ad hominiem-arguments, but there are similarities.

"That surface that tells the Heavens it hath an end, cannot persuade me I have any."