> I think Agile is (was?), in the end, yet another attempt to make software development behave like other areas of engineering -- a domain in which processes can be trusted over people

I don't know where you got that idea from, given this vital line in the original manifesto:

> Individuals and interactions over processes and tools

http://agilemanifesto.org/

The entire point was to get past the "one size fits none" solutions and just build some stuff.