Why is it when a human eats like this

the noise is unbearable, but when it's an animal it's adorable https://t.co/soIU04xQoS https://video.twimg.com/ext_tw_video/1844732226904195072/pu/vid/avc1/720x1280/ofL_IYhY-GztcpT_.mp4?tag=12