The reason? Because it has some Israelis on board who do not fully support the destruction of Israel.
Political writer Dr. Issam Shawar wrote that the reception of these peace activists in the Gaza Strip means recognizing the legitimacy of the Israeli occupation of the areas occupied in 1948. Even though they claim to recognize the right of the people of Gaza and the West to exist, they do not recognize the right of the majority of the Palestinian people to return to their homeland and do not recognize as well as the crime of occupation for the rest of our territory. Those people are trying to ignore the usurpation of people's rights, and trying to mask the ugly face of occupation with this photo-op. Do not fool us this trick, which is widely practiced in the West and the rest of the world....This is much different from allowing Israeli journalists [into Gaza] as that does not imply recognition of the [Zionist] regime.
"We must stop them so as not to burden the government with responsibility to have to protect them or even hand them over to the Israeli side in the event that their lives become at risk by organizations see their arrival as an opportunity to increase the number of hostages or to avenge the victims of the holocaust of Gaza."
Spokesman for the Hamas parliamentary bloc al-Masri did not reveal a clear position on receiving the ship, but stressed that his government would welcome any sincere effort and motivation to break the siege on the Gaza Strip.