I can think of a person or two who would be quite happy to learn from you, good teacher or no.

[Survival tends to make people quick studies if they want to stay alive.]

I believe most of the trouble is water damage as the first group of us arrived to the island on rafts. It was already on the beach from what Prompto tells me, but Astrals know how much water, salt, and sand has gotten into it. Plus there is something about the island itself that seems to mess with technology. How we go about combating that, I have no idea.