You've hit on one of my biggest pet peeves when it comes to software patents: by the time you've described the "invention" at a low-enough level to actually all

You've hit on one of my biggest pet peeves when it comes to software patents: by the time you've described the "invention" at a low-enough level to actually allow replication by future patent readers, the resulting patent would be nigh-indistinguishable from actual code.