That's ridiculous to anyone who has read the slightest bit about the lengths to which Israel goes to avoid actions against the US.

It seems to track with Seymour Hersh's accusations of Israeli intelligence holding the CIA over a barrel. If the Mossad wanted to maintain their access to satellite surveillance over Russia and Syria, letting the US blackmail them could have jeopardized their cooperation.

Taking into account the lengths to which Israel goes currying favor with the US, pretending to show remorse for a sunken ship is nothing compared to the sham Dimona investigation they put together for the Kennedy administration. Lying isn't beneath their means.