Asking genuine doubts is a fault on Codeforces?? Or they become a source of mockery.
This guy NeverCompromise literally mocked on this blog .
If you do not want to answer such doubts, please don't just ignore, what sense does it makes by mocking other?? These kind of people should be banned I firmly believe. This is a Codeforces Community to learn and grow I presume, not source of entertainment when someone is seriously asking something.
Perhaps don't ask questions which have already been answered by blogs in the past (As you yourself admit to knowing in your blog). Also, I find the bit about "seriously asking" a bit funny, since you haven't practised a single problem in over a year. So maybe stop posting dumb blogs and then getting salty when someone makes a little joke.
A simple google search yields several blogs, which answer all your questions and more, one of which is: This
He was just joking around. I don't think something like that is worth banning. Just ignore him and maybe calm down a little buddy.