I've seen more than once in this thread the notion that it would take longer to get a bike out of the inside of a car than it would to cut through a lock/cable.
It must be nice to have lived such a quiet and undisturbed life, but that's simply not how it works.
An opportunistic thief with no planning or skills can be inside your car in a few seconds should they decide to.
A determined and prepared thief is going to steal whatever they want, no matter how well it's secured.
But trust me-- if there are two cars on the street, and one has a bike in the backseat, while the other is cabled and locked to a rack, the one in the backseat is likely to go first.
It's not a magic barrier-- it's glass. It keeps the environment and honest folk out in equal measure.
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