The mobile default seems important here: opening the panel collapsed, then preserving its size per site, could keep the first article read predictable while retaining quick access to the discussion.
I modified the script to start collapsed. Code is in this issue if you would like to try it: https://github.com/twalichiewicz/HNewhere/issues/5
I modified the script to start collapsed. Code is in this issue if you would like to try it: https://github.com/twalichiewicz/HNewhere/issues/5