The ‘Hero’s Journey’ sprang from the writings of Joseph Campbell, a mythologist who examined thousands of myths and stories from all over the world. He believed that the journey was a ‘monomyth,’ a deeply ingrained structure expressed across cultures and languages. You can learn much more about it here.
There’s nothing intrinsically wrong with Campbell’s structure. What has happened, however, is that a slavish adherence to the Hero’s Journey has resulted in the proliferation of entrepreneurial, social impact, nonprofit stories that, essentially, all sound the same: