These are the real questions.
A. I messed up. B. She just...wasn't there? C. Kinda. They were going to revolt and a lot of them were moving away. it's become somewhat totalitarian. D. Just her. E. Plot hook? F. Haven't decided yet. The Myconids act as soldiers, builders, and general servants.
Mykon was a god I was using in some earlier games, his places of worship were around giant clumps of various enchanted fungi in damp caves. the evil cults to him would eat bits of the altars and gain essentially Devil Fruit powers.