People with less than 500 karma can't downvote though, so it's possible to end up with 40 upvotes even if the majority of people dislike Microsoft. Let's say 2

People with less than 500 karma can't downvote though, so it's possible to end up with 40 upvotes even if the majority of people dislike Microsoft. Let's say 200 people wanted to vote on your post. 100 people with > 500 karma vote 45% up 55% down ending up with -10 karma total. 100 people with < 500 karma vote 45% up but the other 55% can't downvote = 35 total upvotes.