After a mob is launched by summoning many mobs together, they mass migrate to whence they came

I used /summon cow ~20 ~-1 ~20 in a superflat world in a repeating command block and all the cows that got launched out started walking back to the center.

It affects at least the following mobs:

• Bee

• Blaze

• Cat

• Chicken

• Cow

• creeper

• Evoker

• Ghast

• Goat

• Hoglin

• Husk

• Illusioner

• Mooshroom

• Ocelot

• Panda

• Parrot

• Pig

• Piglin

• Piglin Brute

• Pillager

• Polar Bear

• Sheep

• Skeleton

• Stray

• Strider

• Vindicator

• Villager

• Wandering Trader

• Warden

• Witch

• Wolf

• Zoglin

• Zombie

• Zombie Villager

• Zombified Piglin

It is very interesting to watch with witches because they drink a potion then start walking to the center