The parent comment says that, of all the information-finding tools that hardly anyone uses, library resources are the best, not that library resources are the best information-finding tools; there's no contradiction between what the two of you have noticed.
I think you misunderstood one or both of the comments. The original commenter was saying that for certain use cases, the library tools are far superior to typical web search tools. Then the other commenter was saying they disagree, saying that the library tools are only good if you know exactly what you want, and how they prefer Google Scholar.
