: "Greenland paddle is more efficient"
: "Greenland paddle is easier on your body"

Oh boy, not this again.

: Really, let's take a look: 1 "More efficient" ?

Umm, interesting way to argue.

: 2. "Easier on your body" ?

Apparently, you're basing your arguments on one paddle without any scientific studies, like tank tests. I have a Greenland Paddle for you to try.

: So why there are armies of die-hard greenland paddle users and proponents?

Because it's a fun paddle. And recreational paddling is all about fun. So, if you're recreational paddler, and the paddle is fun, use it.