Hindu scriptures do not attribute the creation of the universe to Ganesha. Instead, Ganesha is primarily revered as the remover of obstacles and the god of beginnings and wisdom. In Hinduism, the creation of the universe is generally attributed to the Trimurti, which consists of three major gods: Brahma the Creator, Vishnu the Preserver, and Shiva the Destroyer. Does Trimurti sound like anyone else you know?
You are assuming that other gods have not also created our universe according to their religions.
Hindu scriptures do not attribute the creation of the universe to Ganesha. Instead, Ganesha is primarily revered as the remover of obstacles and the god of beginnings and wisdom. In Hinduism, the creation of the universe is generally attributed to the Trimurti, which consists of three major gods: Brahma the Creator, Vishnu the Preserver, and Shiva the Destroyer. Does Trimurti sound like anyone else you know?