They think that it is funny or fun to vandalize wikianswers, but they could get easily blocked by supervisors if they do.
Some people think of the site as a joke an feel that it would be funny and amusing to vandalize the answers.
This would be an impossible number to come up with, just know that if you choose to vandalize this site, a member of the Vandal Patrol will ensure that it is something you don't continue to do.
We had a lot of people who were creating account after account just to vandalize the site. Requiring a valid email address ensures that vandals cannot do this anymore.
Because there are some people that are on WikiAnswers that only like to vandalize or give poor answers, but there are just as many people here that like to give good answers and to stop vandals.
You probably think that WikiAnswers isn't fun because Supervisors won't let you ruin the site and vandalize it any way you want to. It is plenty of fun for most of us non-vandals.
See the related link below. If you scroll down, you'll see what types of things people who vandalize the site do.
Check out the (vandals and spammers consequences) on the help center.
No, a computer doesn't answer the questions here on WikiAnswers. There are literally thousands of live people all over the world who are members of the Wikianswers Community answering questions as well as editing questions and answers. Many members of the community also spend time monitoring the site for vandals - those who come to WikiAnswers to destroy or vandalize the site content - and block them permanently from the site.
The two main reasons for contributors to delete an answer on WikiAnswers and save it are to remove "bad" answers or to vandalize.
Because blocking vandals does not change the actual appearance of the site.
They are here to protect wikianswers, and block vandals/spammers/cyberbullies from this site.
WikiAnswers itself technically does not lie. However, there are some users that decide to vandalize, spam, or put incorrect/inappropriate answers into questions.