Especially if the deceased person had been planning and recording anticipated questions for a year or two.
What better way to preserve yourself for posterity? You could charge a million dollars and still get plenty of customers today - even if you told them it wouldn't be possible yet for years.
I remember listening to old audio of W. Clement Stone saying the way to sell life insurance wasn't to convince the person that it would take care of their family once they were gone, but to tell the person that it was the only way to continue to control their family and direct their finances after they had died. People have an urgent need to retain some type of control, and they know without their help their family would certainly make poor and unwise choices.
As far as I know the submitter has to give all the rights to the journal while the reader pays a shitload of money that doesn't even go to the submitter (the people doing the actual science, you know?)…
the there's no official BCI society yet, but the people who put on the meeting where this announcement was made http://bcimeeting.org/ are actively investigating becoming one.
then again, the same question can be asked, what makes their society the official society?