Damnit.
There are two 'mysteries' around mast years: One, which this article covers, is pretty much common wisdom at this point. Does 'common wisdom' need to be reviewed? Of course it does.
The bigger mystery is HOW DO ALL THE TREES KNOW? Mast years don't happen in one grove, in one strain or in one forest. They happen everywhere, even in different microbiomes that may have received more or less rainfall that year.
I was hoping this was delving into that secret, for which no theories have survived testing.