I don't think unicode should be used to convey pictographs. I understand the need to cover writing systems such as hieroglyphs, but adding in randoms pictograph

I don't think unicode should be used to convey pictographs. I understand the need to cover writing systems such as hieroglyphs, but adding in randoms pictographs (like emojis) and permutations (like skin colors) seems like too much complexity for what is expected of unicode.