The mediocre button should be the same as simply not voting, I think. Especially since it’d have to be used quite often, no-one wants to be pushing a button for every mediocre comment. Maybe a similar effect could be reached if comments gradually accumulate negative karma with time?
That would be nice, but unfortunately you need to somehow signal that you have really considered the comment, understood it, and decided that it’s nothing special. Simply downloading the page, or even reading the comment, doesn’t do the trick. See also thisdiscussion on validity of voting in ignorance.
The mediocre button should be the same as simply not voting, I think. Especially since it’d have to be used quite often, no-one wants to be pushing a button for every mediocre comment. Maybe a similar effect could be reached if comments gradually accumulate negative karma with time?
That would be nice, but unfortunately you need to somehow signal that you have really considered the comment, understood it, and decided that it’s nothing special. Simply downloading the page, or even reading the comment, doesn’t do the trick. See also this discussion on validity of voting in ignorance.