Tenshi no Tamago

Legend of Understanding

Girl <=> The Eternal Lisp Programmer
Soldier <=> The Eternal C Programmer
Tanks <=> UNIX Machines
Fishermen <=> Non-Lisp / Web programmers chasing after shadows
Tree <=> C/C++/Java programming model
Egg <=> Lisp programming model
Bird <=> Unfulfilled potential of Lisp
Ghost town / Derelict Ark <=> AI winter
Fossilized skeletons <=> Dead languages, forgotten programming technologies, abandoned projects and broken dreams
Rising waters <=> The coming collapse of Western civilization and future Dark Ages, symbolizing the loss of expert programming knowledge
False Machine God <=> The Eternal Jew / Google Zio-Matrix / Kurzweil's Singularity

If you guys didn't understand the OP, allow me to clarify.

The girl was a lisp programmer because she was naive and stupid and eventually got her shit smacked around by the awesome soldier (C programmer)