To be judged as a sunset industry, there are at least two basic points: shrinking demand and declining income. At present, these two points are not satisfied. No other mode of transportation can replace such a large volume of transportation, and the freight rate always fluctuates with the economic cycle. Then the sunset industry may be said to be a shipping agency industry.
The second question ... there are many enterprises attacking against the market. For example, futures traders can make money by buying up and down, regardless of the economic environment.