It is a submarine that carries people to depth. I don’t think it should have consumer-grade lighting designed for an RV that has windows and an exit that is always possible to use.
It should not have a low-cost consumer-grade controller.
The CEO should not be bragging about the fact that it does, on camera. It demonstrates an incredible lack of experience and/or mental disconnect. All of this would be fine if it were a boat in an amusement park 1 meter pond or something, but it is in the open ocean at depth. It was a matter of time before people died.