That statement puzzles me, but unless one is very familiar with the circumstances, it is best to let it ride. I wonder what he means by a "proper search"? There are different search modes, all appropriate or not depending on circumstances, terrain, and capability.

As an active SAR volunteer, I have been second guessed by sedentary arm chair experts who did not understand the situation too many times to seriously begin that process now.

Again, the usual news sources raise more questions than answers.