Necessity is the mother of invention, and the coronavirus pandemic has created plenty of necessity. Thai Airways is in the midst of restructuring and they’re looking for revenue anywhere they can find it.
Among the course options, for 2800 Baht ($89) you can learn to be a flight attendant. Their safety course lets you head down the emergency slide and put a real fire out on a plane. You can even take cooking classes to make inflight Thai meals.