Coming back to this comment after a few days, I find that what I was trying to say with the last bit is that yak-shaving can be either intrinsic (ADHD) or extri

Coming back to this comment after a few days, I find that what I was trying to say with the last bit is that yak-shaving can be either intrinsic (ADHD) or extrinsic (badly architected, deeply intertwingled code with leaky abstractions).