I've seen such things as you would not believe. I've seen motorbikes driven down hotel corridors - and had a go myself.
The thing you can't let go of is gravity. The reality of gravity in writing. If someone says something really mean in a sitcom, and the next wave isn't a reaction to the reality of that, you start losing relatability. In a lot of romantic comedies, they throw out the rules of life.
Most sailing ships take what they call trainees, who pay to be part of the crew. The Picton Castle takes people who are absolutely raw recruits. But you can't just ride along. You're learning to steer the ship, navigation; you're pulling lines, keeping a lookout; in the galley you're cooking.

