Agreed, I like to repeat beneficial things as much as possible but one day your body will send you the bill. There will be some exceptional people that can do that after their 30s but giving you 2 or 3 days of rest is probably the right amount
The interface also allow to comment, post and interact with the original HN platform. Credentials are stored locally and are never sent to any server, you can check the source code here: https://github.com/GabrielePicco/hacker-news-rich.