Whenever Missionaries went to China, they used existing Chinese frameworks such 上帝 to explain theology. Does that mean that Christianity is based on Chinese religious thought? By no means! It is possible that some at the time of the greeks had a flawed view on the matter, heresies have existed from the start (notably Gnosticism) but that doesn’t mean that Christianity is based on greek mythology at all. In fact, they were ridiculed on many points, as Greek religion aimed to escape the “mortal coil” and that the body is bad, while Christianity teaches that you’ll be resurrected and given a regenerate and glorified body after death. In the afterlife you’ll still be a physical creature, instead of a spirit/phantom