I'm concerned that this makes the ability to downvote a limited resource. That's good in some ways, but as long as we're talking about "what if someone created a whole bunch of accounts to mess things up" scenarios, it raises an unpleasant possibility.

If someone mass-created accounts to post flame bait and complete garbage, we'd respond by voting them down severely, which restricts the ability to use downvotes productively in actual discourse.

I don't know much about the way this site is set up. Was that scenario already considered, but viewed as unlikely for reasons I'm not seeing?