That would be a poor use of human time. If we don't want mass downvoting, remove the ability to do it.
We don't want to remove the ability to do mass downvoting. If someone posts 100 random Wikipedia articles in the belief that this provides insight, they should be downvoted. What we want to do is remove the ability to do mass downvoting based on the downvoter's motivation. No automated process can detect motivation, so we can't do that without using a moderator.
Another month, another rationality quotes thread. The rules are: