The title may seem a bit weird, let me explain.

While going through some questions, I found a spammer network about 5 users with each of the users posting answers on others' questions. 

Besides these users, some of the community users had also posted their answers. 

Now, I proceeded with destroying the spam users. While the questions and answers of spam users were gone, curiously, the *answers of community users* still remain, even through the question was deleted.

To cite an example: The question [remove kaspersky internet security 2011, I mean I need a clean way]( https://superuser.com/questions/291944/remove-kaspersky-internet-security-2011-i-mean-i-need-a-clean-way/291980#291980) (10k+ only) had answers from 3 spam users + 2 by community users. I destroyed the spam user accounts, while the question was deleted, the answer by Daniel & Paul remain.

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[1]: https://i.sstatic.net/Hwrew.png