Your 140-Character Shaming Campaign is Weak
Shaming doesn't accomplish what you think it does. I mean, sure, it makes you feel like you're part of some sort of solution—the internet tribal equivalent to the end of Game of Thrones where the evil woman (I don't watch the show) is stripped naked and has to endure taunts and vegetation thrown at her. It does not, however, move things forward in any real way.
When Ali, Casey, and I were in college down in central Illinois, we lived in this great place just a block off campus. It was situated at the top of a hill overlooking the town smack dab in the middle of Greek Row, snuggled between the Beta and SAE houses—a modest, three-bedroom house with a front porch and back patio, and yard that made it ideal for barbecues and other themed or not themed parties.