I should point out that I shoot mostly high-end fashion editorials and product still-life, not trees and tree trunks. The controls you have in LR/ACR are priceless, especially for skin tones. I also hate the sharpening in C1 which still produces ugly artifacts even when you turn it down to 0. As far as detail goes LR produces more detail than I could ever ask for, so no complaints there, nor have I found any anomalies as CA, color shifts, etc. Just pure, crisp quality.
I get the feeling that people who like C1 are the ones who faithfully wants to reproduce reality without much editing, like landscape photographers. And people who like LR/ACR generally are the ones who want to create their own vision and appreciate the creative control.