I wonder if your definition of gearhead is a little more pejorative than mine? Gearhead is a label I would wear, as for me, it implies a deep interest in gear that intersects but does not completely overlap its use.
Given the commonalities of his cameras, i.e. Leica and Hasselblad RF and Fuji RF style bodies with prime lenses, throw in a Widelux, he hasn't chosen those pieces because he randomly acquires them, obviously he chooses them because he knows the gear and they do what he wants. A less likely explanation is that he is given all his cameras and he grins and bears it; wouldn't that be a fun position? 😄
As much as we love rangefinders here, we all know RF and Leica limitations that may hinder a news gatherer in challenging conditions. No extreme high ISO, no class-leading autofocus, no weather sealing aside from the Q2 Reporter, high cost of replacement, RF need for adjustment after drops or impacts, etc. But despite this, Eddy chooses these cameras and lenses, which leads me to believe that he loves this type of gear, and gets a lot of it. Hence, gearhead. 😁