"That's such a small and silly looking lens!" (ref. Limited series)
"Wow, look at how big that lens is! He must be a professional!"
Ever wonder why Canon and Nikon make FAT lenses? It has to do with the human psyche.
Although you and I all agree that compact lenses are easier to carry around and manoeuvre, it's the unnecessarily huge lenses that impress the ignorant potential customers, and ultimately attract attention.
So, Pentax, if you're reading this, beef up your lenses. They won't perform any better, but they'll look
professional!
Canon and Nikon are trying to compensate for something...