Fighter jets are composite as well... and still going strong. As long as they are inspected regularly then everything should be fine. Frankly I see alumium skinned as the same as composite, with both prone to issues which require constant maintenance & inspection.
Peoples concept of composite fabrics today is the same as how concrete (a form of composite) and even steel was denied by most when it was first introduced in the civil field.
I really really really love the wing on the 787. Especially the root.
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