It says he doesn't care what people think of it)
Discussions are a pleasure, corrections and answers are mainly not. They are sometimes interesting. I even wrote comments to notebook entries several times as they contained interesting stories or unusual opinions.
As for questions, googling and dictionaries will provide reliable answers faster in 60+% of situations. Though it may be really challenging for beginners. I personally ask some simple and maybe unreasonable questions about German. My excuse is that my German is too poor to surf... ) Perhaps guys asking that sort of questions in other languages feel the same.