Let us know how your next few rewicks go. As much as I hope you have nailed it, I have a feeling it has nothing to do with the scottish roll and that you simply nailed the wicking in the channels. Seems like your previous builds were not wicking fast enough, giving muted flavour.
Wicking can be a bitch for some people, I've been doing it for years and still get unexplained problems. Right now for instance, I was testing something in the exocet bridge for the billet box, was running beautifully for an hour at 20w, chain vaping no problem. I put the device, down, come back later, back end of the first pull gives hints of a dry hit. Now I have to run it at 17w to avoid that. However, I was chain vaping it earlier, bloody mystery I tell yee.