You may recall that such as system already existed in the forum and the mods removed it. I'm pretty sure there is a good reason behind it. Any way I am all in favour of reinstating that system. It will show the amount of effort you have put through to reach over 550 negative rep points.
If there is a culture of responsibility and accountability in the forum, you should be the first person to be held accountable for posting most amount of misinformation and not contributing anything useful when somebody asks a question even in the field of your 'expertise'.
Just look at the post from Tesla website below... what a f*king idiot!
... and you are the kind of guy who will read a post like that and go "oooooooooohhhh Elon Musk shared his master plan with me,,,, just with me..."