20K users can vote to delete answers with a negative score.
In which case should such questions be deleted? Is it enough the answer is utterly wrong? Would not the negative score be enough?
The FAQ says that answers that are, "not even a partial answer to the actual question" may be removed. Does that include a wrong answer?
Deleting the answer would give back to the user the reputation s/he lost with the down-votes. Could that be a reason for deleting an answer that is wrong? Do we deleted wrong answers to give to the user who wrote it a new chance?