For a fascinating look into shipping and why all of this, especially for how the crew has been treated, read the book "Ninety Percent of Everything: Inside Ship

For a fascinating look into shipping and why all of this, especially for how the crew has been treated, read the book "Ninety Percent of Everything: Inside Shipping, the Invisible Industry That Puts Clothes on Your Back, Gas in Your Car, and Food on Your Plate" by Rose George. Absolutely fascinating. Seafarers have almost no rights, which is mostly why they have been forced to stay on the boat and have their phones confiscated by the FBI.