What are the limits of the Houthi threat to navigation in the Red Sea?

On December 14, the Yemeni Houthi group claimed responsibility for an attack on a Danish ship in the Red Sea using a drone, according to a statement issued by it. Twenty-six days before this incident, specifically on November 19, Yahya Saree, the Houthi spokesman, announced that his group would target ships flying the Israeli flag, and ships owned or operated by Israeli companies, regardless of whether the ships were carrying military targets or not. With the increase in the number of Houthi attacks, and their launching of missiles and drones against commercial targets in the Red Sea; justify...