Ender pearls don't teleport you properly when you throw them. They work as in that one snapshot in java where the pearls just barely teleports you. When you throw it, the Ender Pearl entity doesn't even show up.

Video: https://drive.google.com/file/d/1duoVAji1ZAExU2BRNfCKDapKYVgWrGgt/view?usp=sharing