thx for linking your article, just had a look at it and will comment there also :)
The summary of @calamus056 article is, as far as i understood it:

• The voting power should be more drastically reduced with every vote, so that people think twice what to vote.
• Negative votes should also reduce the same way the voting power, so people think twice before bownvoting
• Negative votes should also get curation rewards similar to postive votes. this would encourage to help keep steemit clean
• lot of negative votes should reduce the ability to post /comment...