For example: "too many renonciation might kill up the sparkle for good." makes no sense to me.
[Edit: Removed the non-constructive comment which is quoted below.]
Personally, I frequently find the most value in comments trying to articulate hard to understand concepts: they seem to resonate with me and help me understand a topic, even more when they reach valid yet counterintuitive conclusions.
I guess we each use HN for our own purposes. Personally, I see it as a forum of bright minds to explore complex concepts such as creativity, or the place of passion in one's work .