Re: Why is “Paki” considered a bad word?
Words like these can be bad and can be not so bad depends on who says it and how.
If someone is angry at his or her family member and says something harsh, that person still will not like if a neighbor calls name to his/her family member.
Background of a word is also important to consider. For those who may not know the background like LP. it is no big deal.
Moral: Try to avoid these words for common courtesy. Someone may not like it and you cannot say, oh you too sensitive! 