As funny as it is to picture in your head I don’t think it’s appropriate to wear a costume and do a funny bit when you may be deciding if someone gets to keep their children or lose their house. The other person involved sounds like an uptight liar, but I i think maybe all of these people kinda suck.
If they want people to keep shopping there and providing the income necessary to maintain that charitable work, they should probably try to maintain the perception that they price things cheaply enough to make it worth digging through racks of second hand goods.