They'll need to do something. Offer a cheap base fare then addition fees for everything except for fresh air. It's a model that seems to work. But on a J41 it could be tricky. But I'd say their current model isn't working so what the heck. Do it. Nobody flies T3 for a free cup of coffee and a Jordan's cereal bar so they may as well try and monetise what they've got.
Charging crazy fares out of Aberdeen during the boom times worked well back in the day. However today is a different story.