Stupidity about pirates. (Yes, this again. When will it end?) No doubt the usual suspects will already be drivelling about this story.
Frankly, if you think the best opportunity to rescue the hostages was when they were between a tossing, fibreglass 40-odd foot boat and a 25,000 ton hijacked containership, using as your main equipment a 32,000 ton oil tanker (Wave Knight is a fleet tanker, not a warship), I suspect you may not have done enough research.