Here we see Goddess Shashthi with Cat as their Sawari? What are your opinion on this as cat is considered Inauspicious by elders and in Hinduism??

Here we see Goddess Shashthi with Cat as their Sawari? What are your opinion on this as cat is considered Inauspicious by elders and in Hinduism?? Does anyone know the real reason or story that why cats are considered inauspicious?