Because it should be.
Just imagine. I could have him stand in the corner of the office, pitying all the products for me. Can you imagine how much time that would save?
(to be fair to the original author, go and check out Sheldoncomics.com, from whence that sprang. Or is it sprung? No, that’s the sound that an old bed mattress makes. Perhaps it’s spring? No, the Goodies sang about that.. ‘Spring, spring, everybody loves spring’ … no, wait, that was string…)