Emojis

Why do emojis exist? Most emojis are pointless, here are a bunch of stupid emojis. 🤙👂🏻🧠💯🚽💨🗣👁👌💩🖖💄🧞‍♀️💆‍♀️🕴👙🧢🐛🕸🍄🌗🔥🌫☄️🥥🍝🍭🏹⛳️🎟🎰🎨🎮🛴🏘🌋⛲️🚓⏳⌨️⚖️🕳💈🔩🚪🔐🖍1️⃣🔵🇯🇵 I cant think of a single use for any of those emojis, why do they exist?