He believes that Kroot need to evolve with their technology as much as with their bodies, and so he goes against the taboos of the kroot sticking with primitive gear and leans more towards scavenging tech from friends and adversaries alike.
Even more out-of-context pages from my silly little passion-project Warhammer Comic, featuring some of the early years of my Water Caste boys <3
More comic can be found here, here, and here if you're not too concerned about lore-friendliness and want to see the weird doodles I do when I'm bored. Have a lovely day!!