Trying to say Afghanistan bears any relevance to a time-saving trick is ridiculous.
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I think the issue is about discipline...or the lack there of. If you cheat in the small things or don't think they're important you'll cheat later.
Oh, heck I kept the bed taught with boot blousing in PNOC in Germany in the 70s. I used the dust cover blanket for sleeping and it was easy to fix everything back in shape the next morning. Remember that a breath on the brass reveals fingerprints left by the inspectors the day before....