He is very interested in the topic and sometimes too enthusiastic, but I saying he shills is not productive and a lie.

Could you please stop breaking the site guidelines? You've been doing it repeatedly, we've asked you to stop several times, and you haven't stopped yet.

We end up banning that sort of account, so if you would please review https://news.ycombinator.com/newsguidelines.html and stick to the rules from now on, that'd be good.