IMHO, the only missing thing is every boss HP bar being monitored under the Boss-Blitz event timer.
This should be enough indicative of which boss needs reinforcements and allow a proper split on an unorganized megaserver.
Showing Highly Rated Posts By Vargamonth.2047:
It makes total sense to me.
They allow events to correctly scale when there’s a lot of people around without spawning champions that would encourage zerging.