What's the deal with "points" on Yahoo!Answers? How do you move up a level?

I understand how you can get points: By answering questions, giving the best answer and such... But why do you lose points for asking a question? Doesn't that seem silly? And how do you move up a level? I've read the the chart on the site...but I do not get why you need so many stars to go up a... show more I understand how you can get points: By answering questions, giving the best answer and such...

But why do you lose points for asking a question? Doesn't that seem silly?

And how do you move up a level? I've read the the chart on the site...but I do not get why you need so many stars to go up a level! 100 stars is ALOT!

I was just wondering...I'd like to be a level 2 so I can give thumbs up and thumbs down!!!
Update: I really don't get the star thing!

To get to level two...do you need to give 100 stars or get 100 stars on you questions?

Or can you only give stars when you get to a level two???
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