As someone who started out his career in IT testing software, I can appreciate the sentiment noted above. I can also appreciate the lack of appreciation that software testing often receives. It is, imho, a thankless and difficult and tedious job and even with the creation of test automation tools, methodologies, and frameworks that are common practice today, the song remains largely the same.
In case you missed the reference you can get caught up over here.
Title: Is that a rhetorical question?
Snarky: If we know ninety percent of everything is crap, why do we spend fifty percent of our tim testing it?