I would have too. Luckily I've learned what to stay away from.
I hate it when people are taken avantage of, especially when it is online like this and harder to stop once the ball has started rolling. Once they post the pictures or videos it's impossible to take down.
I've recently posted a theard on my local con's forums to remind people to play safe
Newcon 2013 (Portland OR):
Sylveon - Pokemon: 50%
Akihito Kanbara (Idol) - Kyoukai no Kanata: 5%
Eren Jaeger - Attack on Titan: 10%
Sakuracon 2014 (Seattle WA):
The Hooded Man - Final Fantasy 4: The After Years: 0%
Yuuka Kazami - Touhou Project: 0%
Witch Elly - Puella Magi Madoka Magica: 0