No, Asami's seriously limiting what she shares with Azula. For the most part, what she knows how to create isn't very easily done with the current state of things anyway. The reasons for her inclusion are twofold - one, I like her a lot and want to play her and two, it's the reason Aang didn't wake up and thus made this all possible. Just saying "Aang didn't wake up" didn't sit right with me. She won't be building cars or advanced airships, and she's probably less valuable to the world technologically than Sokka is at this point. As for the metalbending cops, that's not new in the LoK era - Toph originated that not very long after Avatar. In The Promise, which takes place immediately after ATLA, she's already teaching metalbending to others.