There is absolutely something wrong spending millions on the search and rescue of a bunch of idiots who signed disclaimers and could easily have paid for a safe sub several times over. It's not the equipment used that is the issue it's the effort at all. Those billionaire morons simply don't deserve the effort, nor does it make any sense to have even tried. Unless their estate is footing the bill, but that sounds far fetched.
Greece boat disaster: Survivors blame Greek coastguard for tragedy (www.bbc.com)
Survivors of the Greece boat disaster say an attempt by the Greek coastguard to tow the boat made it sink.