Yes
Because people are lazy and if it wasn't easy to use no one would use it.
Anyone can use WikiAnswers that knows about WikiAnswers.
It was so easy to ask a question on WikiAnswers.
It is extremely easy to contribute to WikiAnswers. There are big ask and answer bars to answer and ask questions, and pretty much everything you need to contribute it laid out before you on WikiAnswers.
No, it is not easy. There are only a few Bug Catchers on WikiAnswers, as it requires frequent and quality bug reports.
You cannot improve an answer on WikiAnswers without logging in. However, logging in is easy. All you need is a Facebook account and use that Facebook account to sign into WikiAnswers.
No it is actually very easy. If you have any questions on how to do anything, please ask me on my message board and I will help you out.
It is extremely easy to give the wrong answer on WikiAnswers. However, it is just as easy to give an accurate one. Since anyone in the world, registered or not, can answer a question, it is pretty easy to give an inaccurate answer.
Nobody is compelling you to use Wikianswers.
A Wiki is a website using a particular type of software that allows users to create pages for easy dissemination of information. WikiAnswers allows people to use a Wiki format to get Answers to questions.
WikiAnswers is so successful because it's a community based question and answer site. Anyone is allowed to answer and add questions. It is popular among people, because it's free and easy to use.
You cannot download the WikiAnswers database. One reason for this is because WikiAnswers is solely an internet resource, and you must use the internet to access WikiAnswers. If you didn't have to use the internet for WikiAnswers, WikiAnswers would not exist.