Not impossible. At least, I wouldn't think so. Just not.....encouraged? At least from what I can gather. But we won't know if there are any others from home on the other side of this unless we ask or figure some way to check?

[He isn't sure what exactly might determine which court someone ends up in. For all he knows, some of his friends might be over there in the Unseelie. There would have to be some way to find out, surely. People would want to know. To try help their friends. But he's not outright saying or encouraging this intentionally, he's just curious and concerned more than anything.]