The entire rep thing is pretty useless. I've yet to see a site where it doesn't lead to strive and popularity contests to get the highest rep.
As I posted in one of our older threads on this subject:
Quite honestly, getting wrapped up in this whole thing of reputation points isn't worth it. The points system is flawed, can be abused, and basically means nothing in terms of your true reputation here. This is why many support sites that used to use such a system have dropped it- the accuracy of the advice and answers you give are ultimately what will determine your reputation here.
In other words: don't let your ego take hit because another member gave you a negative Point Hit, especially if it happened in a post in one of our non-technical forums like the Geek's Lounge. Your overall reputation here is not based on your Rep Points, it is based on whether or not you have a history of giving good and reliable advice to other members. Period.