Everything is made into a major event with the foreign ministry, the Mossad, the IDF, the prime minister, and the media all on high alert for days and weeks. The cause of the flotilla gets a large amount of media attention (except in America where there is a media blackout on the subject). Israel can be counted on to do something over the top and stupid. This has already happened enough to insure that another flotilla will come no matter what the outcome of this one.
Israeli PM to Palestinian President Abbas: We must fight terror together (Haaretz)
from the article: With multiple ships disabled, Gaza flotilla organizers regroup in Greece