I’m sorry but you didn’t give me enough specific information. What the fruit look like before they dropped… (at some point the figs did drop from the trees). What did they look like after they dropped, any cracks, molds? There would have been a change in appearance after they dropped.
You said it happened to others… What were the specific weather conditions? Temp, humidity, rain fall amounts? Figs are sensitive to humidity.
What did the county extension office say? They would have the info if the crop were failing over a wide area.
I need specific info like Spike gave me "fungus or blight on our pears" to help you.