You could say, what's the difference, they had decided to kill people in cold blood?
But if it can be shown that they were actually fooled into a suicide act, and that fact is spread in the media, maybe the recruiters will get just that bit more difficult to persuade other idiots / potential murderers to put on a belt with explosives.
Islamic extremism is in the process of losing the allure and prestige it had enjoyed from devout Muslims. It takes a lot for people to stand up and say their religious leaders are wrong. But hopefully just that is starting to happen.