Sorry, I didn't get to this question sooner.
This will made clearer in the comic, hopefully, but it partially has to do with the fact that electricity in Ekwara attracts those little dragon-imp thing aka gremlins, who are themselves responsible for bringing stuff over to Ekwara from Earth.
It also has to do with the way that the dragons restrict what items are and aren't legal for the citizens of Ekwara to own. The dragons are interested in enforcing these restrictions because it's easier for them to manage a low-tech population when the dragons themselves are so few in number, and the birds are interested in enforcing this because they get to keep what they buy/confiscate off folks. The birds are also working on stuff that has a high potential benefit to the dragons, so the laws have remained pretty restrictive in regards to books, etc.
Here, Formidonis is implying that it would be dangerous for the jaunx and pandril here to let their interest in earth technology lead to them messing around with electricity and presumably getting eaten by gremlins.