Sorry, but legitimate and Rooters just don't go together.
It would have been better if Israel hadn't done that, because it does look rather hypocritical.
The guy who posted this was zotted because he was flaunting this as proof that Israel is still a terrorist state, and for changing the headline.
That's fine, but it doesn't change the underlying news story, and I think Israel was nuts to celebrate those events from long ago.