They mention it now, telling their supporters to have resolve and carry on shouting their Jew hate.
https://socialistworker.co.uk/palestine-2023/stay-on-the-streets-for-palestine-dont-let-state-exploit-manchester-horror/
Direct her through Suez and tell her Yemen needs food as there's a real famine there. She won't get far around the Gulf of Aden without getting boarded by friendly Muslims with AK47s
There are a few countries that will just impound and arrest a private yacht in the med, war or not.
They won't be sailing in Algerian or Libyan waters for a start.