1. Breathe in, breathe out, move on.
2. If you read all of the posts here and take each to heart, you will run naked into the desert and eschew aluminum forever. Everything negative that has ever happened in, or around an Airstream has been written about extensively here, dissected, re-dissected, analyzed.........
3. The consensus seems to be that Airstreams are absolutely horrible, poorly built, overpriced death traps. Except for the tens of thousands that aren't.
4. Yours sounds fine. Enjoy.
5. Repeat item #1.