Skaters are given a choice to go or not - the sanction is that if they fall into the "required" category and choose not to go they can't participate in any shows over the same period. Presumably people don't want to go because of tiredness & fear of injury, so surely they would not want to do shows for the same reason? I fail to see how this is a huge burden; if you don't want to go, you don't have to, and if you do go, the prize money is a huge reward and more than the skater would make doing say a an SOI date on the same weekend.
Scott was really rude - Patrick was doing his usual foot in mouth thing, but at least giving reasons, Daisuke was politely explaining why some skaters struggle with the event, but "OMG I hate this event" in the kiss & cry to be broadcast to everyone, in front of the organisers and all the fans who had paid to see them is just tacky.