That’s because “why” questions must be answered with a story, a narrative. (Terry Pratchett is good on this.) Deep down, the only thing that will really satisfy a “why” question is a story *about people*. It’s in our nature to ask “what was he/she feeling/thinking, that led him/her to do that?”. Hence spirits and gods.

Science is about moving beyond that. Unfortunately, its answers will always be unsatisfying for people who have not.

Oh, and as to Jesus: I like Earl Doherty – Jesus as a literal walking-and-breathing person was an idea that gained traction some time after chritianity became popular. Doherty is weak on where the gospel of Mark came from, and for that I very much like Dennis R MacDonald – it was written as a deliberate “imatio” of the homeric epics.

So, you need history, too. Science, history, anthropology – rationalism. The enlightenment. The sciences and the humanities have go to stop squabbling: the dark forces of unreason threaten us all.