So in my current game I'm playing Brunswick > Hanover > Germany. I just had a coalition war fire for taking Brandenburg as a vassal to feed them cores back, and to complete a mission. I lost the war and had to release some small German minors I can conquest back no problem. The thing is nobody left the coalition despite having less than 50 AE and positive relations with a lot of the members. I'm not going for WC so not gonna restart it anything, gonna pick up the pieces and try and form Germany.

As far as I'm aware coalition members will leave once the AE gets low enough, but nobody left despite several members having like 20 AE and pretty positive relations. Is there something I'm missing?