>Most people have some big misunderstandings about what the Army is like, and some have a very negative reaction to the whole idea.

"Some" in Tech is likely an understatement. At least pre Ukrainian Russia War era.

I wonder, if there are the anything from compiler optimisation that could be applied to running an Army and vice versa.

The closest thing I got to the Army was CCF. Something I wish my kids could experience as well.