(1) Anyone can easily see why you're banned, if they want to turn 'showdead' on in their profile and look at https://news.ycombinator.com/posts?id=trollski ;
(2) Anyone can easily get an answer about why they're banned on HN, simply by asking us;
(3) Anyone can easily get themselves unbanned on HN if they want to use the site in the intended spirit as described at https://news.ycombinator.com/newsguidelines.html.
(1) Anyone can easily see why you're banned, if they want to turn 'showdead' on in their profile and look at https://news.ycombinator.com/posts?id=trollski ;
(2) Anyone can easily get an answer about why they're banned on HN, simply by asking us;
(3) Anyone can easily get themselves unbanned on HN if they want to use the site in the intended spirit as described at https://news.ycombinator.com/newsguidelines.html.