Well, I know ShinyDiamond has issues getting on PC.
However, as you can see in this type of roleplay if one person isn't posting it has a major effect on everyone else's ability to post and long term it can even damage other people's interest in the roleplay.
...A tough decision needs to be made (All decisions are tough in this scenario, I'm afraid.), but I felt the need to bring it to attention of the GMs.