Gemini is often associated with duality due to its symbol of the twins. This can lead to misconceptions about Geminis being two-faced or inconsistent, which may contribute to negative perceptions.
It's important to remember that astrology is not a science and should be taken with a grain of salt. Disliking or hating a particular zodiac sign is a form of bias, and it's more productive to approach people as individuals rather than making assumptions.