Israel can flex its mussles on unarmed ships trying to come to Gaza and break the four year old seige by Israel and Egypt. International pressure on Israel and egypt for their crimes against international norms are mild or inexistent. Most nations are collaborating with this form of genocide against Gazans. Intimidation may work to discourage the Lybian aid ship from challenging Israel's navy. It is expected that the only peole capable to break the seige are somalis who could capture one of the many ships sailing to or from occupied Palestine. If that happens and surely it is bound to, then negotiations would end up in Israel conceding and stopping the seige, and probably more. Egypt as a follower would follow suit. Of course Israel's ships are protected and many nations are providing extrahelp including big powers and local navies too. But, that would happen surely regardless. The law of numbers and probabilites make that quasi-certain.
Palestinians call general strike in J'lem Old City over police conduct, settler violence (Haaretz)
from the article: Libya-sponsored aid ship originally headed for Gaza enters Egypt port