On A - To say you are at a loss to what it means indicates that you are posing the question to yourself and unable to find the answer, until that post nobody had asked it, so I genuinely don't understand point C. I put forward my opinion for which you are indeed welcome, if you're still at a loss I can't help on that one but at least I have tried in earnest.
Imagine asking the question to Ange, I think you'd get a stern answer including a frosty use of "mate" but that's only speculation.
As for D, it's mad how people post stuff on a discussion forum and are shocked that other people may engage with it, then choose to revert to moody teenager communication mode as a defense mechanism if it wasn't a positive response. It's absolutely nuts but you do you mate.