Cats and oscelots aren’t scaring creepers in 1.16

Trying to build creeper farm and noticed that creepers weren’t scared of oscelots or cats, tested in both survival and creative same thing, Minecraft wiki says there supposed to stay at least 6 blocks away with no specification of platform. They were running into them. All the efficient creeper farms use cats, finally got the bounding box spawning issue fixed but now this.