If you're sincere, then for starters, how about removing the $100 threshold immediately, and notifying all people who have had donations made to them, so that they can come and claim the money?
You really want to get spammed with "claim your 5ct in donations for signing up on our website!" every day?
I'm suggesting that for starters, they do it once so that people are at least aware that someone is soliciting donations in their name. I don't think that's enough, but it's the biggest source of contention.