This is morbidly fascinating.
Since you posted this in '21, I presume all that's left of the missing seven by now are FB (& real-life) memorials.
The behavior of Seacor's CEO doesn't surprise me a bit. In business _&_ politics, the basic problem is that power often attracts those most unsuited to it by whatever moral standard you go by.
May they rest in peace.
Edit: If you have the time to check, great. Don't interrupt your schedule just for me. If it's convenient & you feel like doing so, you could send me a note about it.