Description of feature request

Last time i suggested something to strengthen sickened mobs i regretted it in my survival world but anyway
Essentially, the sickened mobs would have a sort of hive mind, where if one sees you all the sickened mobs in the area would attempt to attack.
also for more creepiness, the skeletons and pillagers could shoot/load at the same time as one another, though that might be difficult to achive.

Not sure what to think of this on one hand it would be awesome on the other hand it would be pretty tough to deal with especially with the symbiont, maybe a config for this?