Analysis is the most straightforward path to resolving disagreement. Get enough people talking and you'll have disagreement. The immediate result is analysis.
I was responding to the question, "why do we feel the need to pick everything apart?", not this other comment. I'd point out your response was an analysis of the use of the term "irony" in online discourse.
It's a way to shut down debate while pretending to use a legitimate debating technique. A tale as old as the internet itself.