Noticing Newbies

In the way vast majority of the reviews I have received, I've thanked the viewer (there were a couple where I just went HUH? Are you sure that was my story you were reading?). Several times now, the reviewer pointed out some issues that I felt required an answer back -- not argumentative, but informational. In these cases, I've not gotten so much as a single response back. Is this normal?

Mom always taught me to be kind and respectful and write back when answering someone. *sigh* I guess I should just file this under the 'Trials and Tribulations of the writer".

Oh, well, it felt good getting it off my chest. On to another Allotrope story