Nice article

(with the radar and C&C system determining about 2/3 of incoming rockets were not significant threats and choosing not to attempt an intercept)
Was that (usually) correctly determined?

I think that CIWS like Phalanx, Goalkeeper etc. are indeed more for point defense due to short range, but also more suitable for very different kinds of missiles. At least, when I visited Thales Netherlands which manufactures the Goalkeeper, they mentioned that CIWS is really the last line of defense, after interceptor missiles, and is basically meant for things like sea-skimming supersonic missiles, which may even have evasive maneuvers, which is quite different from the missiles flying over Israel. I would think land based versions are suitable for high value targets to protect against most attacks (including more advanced missiles), and when protecting a high value target the risk of stray munition causing damage or casualties is, well, collateral damage.