Obviously it's only _partially_ helpful in their case, but you could do something like Reddit does: links to other tweets on Twitter would be "read-only", with

Obviously it's only _partially_ helpful in their case, but you could do something like Reddit does: links to other tweets on Twitter would be "read-only", with no way to post or respond from the page you end up on. Pair this with not automatically rendering retweets on the main timeline, and it could go a long way toward neutering "retweet mobs".