Fascinating. Growing up in a Hindu household, a lot of our festivals involve listening to origin stories of the customs. A lot of those have of course been glorified to add an element of holiness, but it's possible they are actually derived from some small incident happened in the past. Like a butterfly effect, a small insignificant event leading to a major celebration for billion people continued over centuries
I think you just found out the roots of every religion.
Few hundred years later they give him a magic sword and a round table. Same idea, but with other cultures, religions, etc.