Hurrah for you!
I like the way you pack.
I complain about TSA as much as anybody...
but....in all fairness, I need to figure myself into the equation. Traveling with expensive items in bags...taking them into restrooms, restaurants, etc, I realized I was more likely to leave something than someone was to steal an item. (exceptions for some places, like San Jaun, etc)
Traveling "via Alcina" also makes sense if you are traveling throughout the night from remote places and having layovers where you can sleep at a quiet gate. (vs "watching" your stuff)
Insurance helps me let it go also.
Sometimes now that I have a second person, I will carry the camera and lenses in a camera back-pack. I like to take an extra change of clothes and a bathing suit, in case I end up waiting a day for my bags. (never has happened).
I have started to carry a photographer's vest in the backpack in case I ever do run into trouble, I can wear a lot of that weight if there is a problem.
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I want one of those, brilliant.
Another thing, I always do, is put the hotel address and my cell phone number on each bag. Making it easy for them to get your bags to you, should they get seperated is a good thing, especially with language barriers.