You would be surprised how many incorrect answers there are. I can say for certain this is happening in at least two of the top 10 tags on SO. The worst part is

You would be surprised how many incorrect answers there are. I can say for certain this is happening in at least two of the top 10 tags on SO. The worst part is that some offenders don't care as long as the answer gives them a positive net reputation. Downvotes really help with this problem.