How Lawful Neutral of them. If it's real, it could be a lot worse.
"I have twenty minutes remaining of Tongues, and then another sixty minutes of Comprehend Languages. After that I won't have magic until morning, and -
- I don't know enough about your civilization to know if I want to teach you my magic. There isn't much I'd need another two hundred million laborer-hours for, and the things I might want are sensitive and I'd need substantially more assurance of your Lawfulness to even propose negotiations regarding them." Deep breath." "I am reluctant to prepare spells in the expectation my activities will be observed and used to attempt to infer magic, so I do not have a strong expectation I will have spells tomorrow or in the foreseeable future."