I'd hope working together could help ease some of the prejudices. I've had that happen more than once.

[ how many times had she and Regina had to unite over Henry before they could make something resembling a friendship? maybe the level of investment isn't exactly the same, but put a few people together who are interested in the good of all and the chance to do something meaningful, and she thinks maybe, just maybe, this could work.]

Even if they signed up to make sure their city was fairly represented, teambuilding could happen from there. And there are a lot of refugees who are looking to help people without picking a side.