Have you tested light vs. heavy from crappy positions? I'm not really talking about rapid fire, just typical things you might see in a precision rifle match.
We'll probably just have to agree to disagree, I've tested reciprocal mass from 5.8oz up to 19oz and to me light components get you closer to a bolt gun feeling recoil, snappy but almost instantaneous. Heavier systems feel like an AK, sluggish and chunky. Most people characterize this as softer when drawn out is probably a more accurate description of the recoil impulse.