I'll give you one thing though. They feel 1000% less obnoxious than the DDR fiestas that are CEs. I'd love if they weren't all boring bosses though, but that's a thing that I cannot take from them.
Would also probably feel better if they didn't have the full instance zerging them over since everything is designed to spawn one at a time to make sure everybody can get there until the next thing spawns on the map.