You can still see them, they're not hidden forever.
On the far right there is a square with a plus button inside. Just click it and it shows.
If anything, it brings more attention to the down votes because it adds to the curiosity of what was hidden, and by clicking on it, it sticks into your memory more.
...to avoid getting banned for inactivity, I may have to resort to comments that are of a lower overall quality and or beneath my moral standards.