If Grug sees new code base, sometime Grug get anxiety about learning new code. What in it for Grug? Says Grug. Rather start new project and say "complexity bad" to other Grugs. If other Grug or big brain disagree, create Grug tribe - show bible to other Grugs and big brains. Must convert to Grug way or leave team. Complexity bad.
Grog is not Grug. Grog talk like Grug, walk like Grug, obey rituals of simplicity worship like Grug. But Grog secretly just mean: anything he didn't invent, not worth learning, anything not making his resume-weave, not worth doing. So Grog is always saying, boo! complexity here! rewrite time!!
