The OP of this mailing list post reads very much like #AIslop, but I commend the few people who've answered to give clear and reasoned answers. I link here to the final answer, which, yet again, explains the reasoning behind the recent core v30 changes. My guess is that many of the proponents of knots have not actually followed the discussions from the last few years that led to this decision. So, maybe, this provides some insights...