"If we don't come back, send someone after us!!! Ha-ha-ha."
Just based on the obvious and the comment above, I would have given a heads up to the locals or CG or both
Whenever someone tells me what their plan is, especially when followed by the insecure laughter, I take it as an informal sail plan and I do keep my eyes and ears open.
Believe me, there seems to be a major influx in new boat, new sailor right now and some of them are down right scary