When friendly creatures (cows, sheep, pigs) stand on boxes of boxes, they act as if they are anchored

When friendly creatures (For example:cows, sheep, pigs,villager) stand on boxes of boxes, they act as if they are anchored,When I attack it, the creatures (For example:pigs, cows, sheep,villager) standing on the box will not run away as usual

As you can see, hostile creatures seem to do the same。